{"id":5139,"date":"2016-09-11T19:51:13","date_gmt":"2016-09-11T16:51:13","guid":{"rendered":"http:\/\/viewonphysics.gr\/?p=5139"},"modified":"2018-03-22T18:30:55","modified_gmt":"2018-03-22T16:30:55","slug":"%ce%b4%cf%85%ce%bd%ce%b1%ce%bc%ce%b9%ce%ba%ce%ae-%cf%83%cf%84%ce%bf-%ce%b5%cf%80%ce%af%cf%80%ce%b5%ce%b4%ce%bf-%cf%84%cf%81%ce%b9%ce%b2%ce%ae","status":"publish","type":"post","link":"https:\/\/viewonphysics.gr\/?p=5139","title":{"rendered":"\u0394\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03ae \u03c3\u03c4\u03bf \u0395\u03c0\u03af\u03c0\u03b5\u03b4\u03bf: \u03a4\u03c1\u03b9\u03b2\u03ae"},"content":{"rendered":"<p><em>\u03a3\u03c4\u03b9\u03c2 \u03b1\u03c3\u03ba\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c0\u03b1\u03af\u03c1\u03bd\u03b5\u03b9\u03c2 \u03b7\u03bc30<sup>0<\/sup>=0,5, \u03c3\u03c5\u03bd30<sup>0<\/sup>=0,9, \u03b5\u03c630<sup>0<\/sup>=0,58, \u03b7\u03bc45<sup>0<\/sup>=0,7, \u03c3\u03c5\u03bd45<sup>0<\/sup>=0,7, g=10m\/s<sup>2<\/sup>. \u039d\u03b1 \u03b8\u03b5\u03c9\u03c1\u03b5\u03af\u03c2 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03c4\u03b1 \u03bd\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03c4\u03c1\u03bf\u03c7\u03b1\u03bb\u03af\u03b5\u03c2 \u03b1\u03b2\u03b1\u03c1\u03ae.<br \/>\n<\/em><\/p>\n<ol>\n<li>\u03a3\u03b5 \u03c3\u03ce\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf, \u03b1\u03c1\u03c7\u03af\u03b6\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 F, \u03b7 \u03bf\u03c0\u03bf\u03af\u03b1 \u03ba\u03ac\u03c0\u03bf\u03b9\u03b1 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae \u03ba\u03b9\u03bd\u03b5\u03af \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03bc\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1. \u03a3\u03c4\u03bf \u03b4\u03b9\u03ac\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bf\u03bb\u03ae \u03c4\u03b7\u03c2 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2 \u03c3\u03b5 \u03c3\u03c5\u03bd\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03bf \u03c7\u03c1\u03cc\u03bd\u03bf, \u03cc\u03c0\u03c9\u03c2 \u03ad\u03c7\u03b5\u03b9 \u03bb\u03b7\u03c6\u03b8\u03b5\u03af \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1\u03bd \u03b1\u03b9\u03c3\u03b8\u03b7\u03c4\u03ae\u03c1\u03b1 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2.\n<ol>\n<li>\u0393\u03b9\u03b1 \u03c0\u03cc\u03c3\u03bf \u03c7\u03c1\u03cc\u03bd\u03bf \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03b5\u03b9 \u03b1\u03ba\u03af\u03bd\u03b7\u03c4\u03bf \u03b5\u03bd\u03ce \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03b5\u03c0\u03ac\u03bd\u03c9 \u03c4\u03bf\u03c5 \u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7;<\/li>\n<li>\u03a0\u03bf\u03b9\u03b1 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae \u03b1\u03c1\u03c7\u03af\u03b6\u03b5\u03b9 \u03b7 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03cc\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03cc\u03c4\u03b5 \u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7;<\/li>\n<li>\u03a0\u03cc\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03bf\u03c1\u03b9\u03b1\u03ba\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae \u03ba\u03b1\u03b9 \u03b7 \u03c4\u03c1\u03b9\u03b2\u03ae \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2;<\/li>\n<li>\u0391\u03bd \u03b7 \u03bc\u03ac\u03b6\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 10kg, \u03c0\u03cc\u03c3\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2;<\/li>\n<\/ol>\n<p><div id=\"attachment_5141\" style=\"width: 478px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5141\" class=\" wp-image-5141\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/08\/\u03a4\u03c1\u03b9\u03b2\u03ae-1-300x225.jpg\" alt=\"\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 1\" width=\"468\" height=\"351\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/08\/\u03a4\u03c1\u03b9\u03b2\u03ae-1-300x225.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/08\/\u03a4\u03c1\u03b9\u03b2\u03ae-1-768x576.jpg 768w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/08\/\u03a4\u03c1\u03b9\u03b2\u03ae-1.jpg 877w\" sizes=\"auto, (max-width: 468px) 100vw, 468px\" \/><p id=\"caption-attachment-5141\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 1<\/p><\/div><\/li>\n<li>\u03a3\u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03bc\u03ac\u03b6\u03b1\u03c2 5kg \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03b7 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 F \u03c0\u03bf\u03c5 \u03c4\u03bf \u03b8\u03ad\u03c4\u03b5\u03b9 \u03c3\u03b5 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7 \u03c3\u03c4\u03bf \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03bc\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1. \u039f \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2 \u03bc\u03b1\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1\u03c2 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc=0,6. \u0392\u03c1\u03b5\u03c2 \u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 F.\n<p><div id=\"attachment_5150\" style=\"width: 362px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5150\" class=\" wp-image-5150\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-2-300x75.jpg\" alt=\"\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 2\" width=\"352\" height=\"88\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-2-300x75.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-2.jpg 652w\" sizes=\"auto, (max-width: 352px) 100vw, 352px\" \/><p id=\"caption-attachment-5150\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 2<\/p><\/div><\/li>\n<li>\u039f\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 80\u039d \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c3\u03ce\u03bc\u03b1 \u03bc\u03ac\u03b6\u03b1\u03c2 20kg \u03ba\u03b1\u03b9 \u03b1\u03c1\u03c7\u03af\u03b6\u03b5\u03b9 \u03bd\u03b1 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1. \u03a0\u03cc\u03c3\u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03b8\u03b1 \u03b1\u03c0\u03bf\u03ba\u03c4\u03ae\u03c3\u03b5\u03b9 12s\u00a0 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae \u03c0\u03bf\u03c5 \u03be\u03b5\u03ba\u03af\u03bd\u03b7\u03c3\u03b5; \u0394\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bf \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2 \u03bc=0,3.<\/li>\n<li>\u03a3\u03b5 \u03c3\u03ce\u03bc\u03b1 \u03bc\u03ac\u03b6\u03b1\u03c2 10kg \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 120\u039d, \u03b5\u03be \u03b1\u03b9\u03c4\u03af\u03b1\u03c2 \u03c4\u03b7\u03c2 \u03bf\u03c0\u03bf\u03af\u03b1\u03c2 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03ba\u03b1\u03b9 \u03c3\u03b5 8s \u03b4\u03b9\u03b1\u03bd\u03cd\u03b5\u03b9 128m.\n<ol>\n<li>\u0394\u03b5\u03af\u03be\u03b5 \u03cc\u03c4\u03b9 \u03c3\u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae.<\/li>\n<li>\u0392\u03c1\u03b5\u03c2 \u03c4\u03bf \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2.<\/li>\n<\/ol>\n<\/li>\n<li>\u039f\u03b4\u03b7\u03b3\u03cc\u03c2 \u03b1\u03c5\u03c4\u03bf\u03ba\u03b9\u03bd\u03ae\u03c4\u03bf\u03c5 \u03c4\u03c1\u03ad\u03c7\u03b5\u03b9 \u03bc\u03b5 30m\/s, \u03bf\u03c0\u03cc\u03c4\u03b5 \u03b2\u03bb\u03ad\u03c0\u03b5\u03b9 \u03ba\u03cc\u03ba\u03ba\u03b9\u03bd\u03bf \u03c6\u03b1\u03bd\u03ac\u03c1\u03b9 \u03ba\u03b1\u03b9 \u03b1\u03c1\u03c7\u03af\u03b6\u03b5\u03b9 \u03bd\u03b1 \u03c6\u03c1\u03b5\u03bd\u03ac\u03c1\u03b5\u03b9. \u03a3\u03b5 \u03c7\u03c1\u03cc\u03bd\u03bf 4s \u03c4\u03bf \u03b1\u03c5\u03c4\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03bf \u03c3\u03c4\u03b1\u03bc\u03b1\u03c4\u03ac\u03b5\u03b9. \u03a0\u03cc\u03c3\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03bb\u03ac\u03c3\u03c4\u03b9\u03c7\u03c9\u03bd \u03c4\u03bf\u03c5 \u03b1\u03c5\u03c4\u03bf\u03ba\u03b9\u03bd\u03ae\u03c4\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03b4\u03c1\u03cc\u03bc\u03bf\u03c5;<\/li>\n<li>\u0388\u03bd\u03b1 \u03c0\u03b1\u03b9\u03b4\u03af \u03c0\u03b5\u03c4\u03ac\u03b5\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03c0\u03b1\u03b3\u03c9\u03bc\u03ad\u03bd\u03b7\u03c2 \u03bb\u03af\u03bc\u03bd\u03b7\u03c2 \u03bc\u03af\u03b1 \u03c0\u03bb\u03b1\u03c4\u03b9\u03ac \u03c0\u03ad\u03c4\u03c1\u03b1 \u03bc\u03ac\u03b6\u03b1\u03c2 100gr \u03bc\u03b5 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 10m\/s. \u039f \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03b7\u03c2 \u03c0\u03ad\u03c4\u03c1\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03c0\u03ac\u03b3\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 0,1. \u03a0\u03cc\u03c3\u03bf \u03bc\u03b1\u03ba\u03c1\u03c5\u03ac \u03b8\u03b1 \u03c0\u03ac\u03b5\u03b9 \u03b7 \u03c0\u03ad\u03c4\u03c1\u03b1 \u03bc\u03ad\u03c7\u03c1\u03b9 \u03bd\u03b1 \u03c3\u03c4\u03b1\u03bc\u03b1\u03c4\u03ae\u03c3\u03b5\u03b9;<br \/>\n<!--more--><\/li>\n<li>\u038c\u03c4\u03b1\u03bd \u03b3\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b4\u03c5\u03c3\u03c4\u03cd\u03c7\u03b7\u03bc\u03b1 \u03b7 \u03c4\u03c1\u03bf\u03c7\u03b1\u03af\u03b1 \u03bc\u03b5\u03c4\u03c1\u03ac\u03b5\u03b9 \u03c4\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03af\u03c7\u03bd\u03bf\u03c5\u03c2 \u03c4\u03c9\u03bd \u03bb\u03ac\u03c3\u03c4\u03b9\u03c7\u03c9\u03bd \u03c4\u03bf\u03c5 \u03b1\u03c5\u03c4\u03bf\u03ba\u03b9\u03bd\u03ae\u03c4\u03bf\u03c5 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03bf \u03b4\u03c1\u03cc\u03bc\u03bf. \u039a\u03b1\u03c4\u03cc\u03c0\u03b9\u03bd, \u03b1\u03c0\u03cc \u03b5\u03b9\u03b4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03c0\u03af\u03bd\u03b1\u03ba\u03b5\u03c2, \u03c0\u03b1\u03af\u03c1\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c4\u03b9\u03bc\u03ae \u03c4\u03bf\u03c5 \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1 \u03b1\u03c5\u03c4\u03ac \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03b6\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03ad\u03c4\u03c1\u03b5\u03c7\u03b5 \u03c4\u03bf \u03cc\u03c7\u03b7\u03bc\u03b1 \u03c0\u03c1\u03b9\u03bd \u03bf \u03bf\u03b4\u03b7\u03b3\u03cc\u03c2 \u03c0\u03b1\u03c4\u03ae\u03c3\u03b5\u03b9 \u03c4\u03bf \u03c6\u03c1\u03ad\u03bd\u03bf. \u03a0\u03ce\u03c2 \u03b3\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bf \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc\u03c2 \u03c4\u03b7\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2; \u0391\u03c1\u03b9\u03b8\u03bc\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae: \u039c\u03ae\u03ba\u03bf\u03c2 \u03af\u03c7\u03bd\u03bf\u03c5\u03c2=95,4m, \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2=0,4.<\/li>\n<li>\u0397 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 F=30N \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03c5\u03c0\u03cc \u03b3\u03c9\u03bd\u03af\u03b1 30<sup>0<\/sup> \u03ba\u03b1\u03b9 \u03ba\u03b9\u03bd\u03b5\u03af \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03c3\u03b5 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf. \u0397 \u03bc\u03ac\u03b6\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 5kg \u03ba\u03b1\u03b9 \u03bf \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc=0,3.\n<ol>\n<li>\u03a3\u03c7\u03b5\u03b4\u03af\u03b1\u03c3\u03b5 \u03c4\u03bf \u03b4\u03b9\u03ac\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 \u03b5\u03bb\u03ad\u03c5\u03b8\u03b5\u03c1\u03bf\u03c5 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c3\u03c4\u03bf \u03ba\u03b9\u03bd\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf \u03c3\u03ce\u03bc\u03b1.<\/li>\n<li>\u03a5\u03c0\u03bf\u03bb\u03cc\u03b3\u03b9\u03c3\u03b5 \u03c4\u03b7\u03bd \u03c4\u03c1\u03b9\u03b2\u03ae \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2 \u03a4.<\/li>\n<li>\u0392\u03c1\u03b5\u03c2 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7 \u03b1 \u03c4\u03bf\u03c5 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2.<\/li>\n<\/ol>\n<p><div id=\"attachment_5156\" style=\"width: 393px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5156\" class=\" wp-image-5156\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-3-300x116.jpg\" alt=\"\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 7\" width=\"383\" height=\"148\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-3-300x116.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-3.jpg 475w\" sizes=\"auto, (max-width: 383px) 100vw, 383px\" \/><p id=\"caption-attachment-5156\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 8<\/p><\/div><\/li>\n<li>\u03a4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03bc\u03ac\u03b6\u03b1 120kg \u03ba\u03b1\u03b9 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03b5\u03c0\u03ac\u03bd\u03c9 \u03c4\u03bf\u03c5 \u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c5\u03c0\u03cc \u03b3\u03c9\u03bd\u03af\u03b1 45<sup>0<\/sup>. \u0397 F \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b2\u03b1\u03b8\u03bc\u03b9\u03b1\u03af\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c4\u03b9\u03bc\u03ae \u03bc\u03b7\u03b4\u03ad\u03bd \u03bc\u03ad\u03c7\u03c1\u03b9 \u03c4\u03b7\u03bd \u03c4\u03b9\u03bc\u03ae 10000\u039d. \u0391\u03bd \u03b7 \u03bf\u03c1\u03b9\u03b1\u03ba\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 T<sub>\u03bf\u03c1<\/sub>=720N, \u03bd\u03b1 \u03b5\u03be\u03b5\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b1\u03bd \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03ba\u03ac\u03c0\u03bf\u03b9\u03b1 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae \u03b8\u03b1 \u03b1\u03c1\u03c7\u03af\u03c3\u03b5\u03b9 \u03bd\u03b1 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf. \u0391\u03bd \u03bf \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc=0,4 \u03c0\u03cc\u03c3\u03bf \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03bc\u03ad\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2 F \u03ce\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03bc\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1;\n<p><div id=\"attachment_5159\" style=\"width: 390px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5159\" class=\" wp-image-5159\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-4-300x134.jpg\" alt=\"\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 8\" width=\"380\" height=\"170\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-4-300x134.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-4.jpg 467w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><p id=\"caption-attachment-5159\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 9<\/p><\/div><\/li>\n<li>\u03a4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03b1\u03ba\u03af\u03bd\u03b7\u03c4\u03bf \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf. \u039c\u03b5 \u03ad\u03bd\u03b1 \u03bd\u03ae\u03bc\u03b1 \u03c4\u03bf \u03c4\u03c1\u03b1\u03b2\u03ac\u03bc\u03b5 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03b4\u03b5\u03be\u03b9\u03ac \u03bc\u03b5 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 F=70N \u03ba\u03b1\u03b9 \u03c4\u03bf \u03b8\u03ad\u03c4\u03bf\u03c5\u03bc\u03b5 \u03c3\u03b5 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7. \u0397 \u03bc\u03ac\u03b6\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 10kg \u03ba\u03b1\u03b9 \u03bf \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2 \u03bc=0,5. \u039c\u03b5\u03c4\u03ac \u03b1\u03c0\u03cc 8s \u03c4\u03bf \u03bd\u03ae\u03bc\u03b1 \u03ba\u03cc\u03b2\u03b5\u03c4\u03b1\u03b9. \u03a5\u03c0\u03bf\u03bb\u03cc\u03b3\u03b9\u03c3\u03b5 \u03c4\u03bf \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03cc \u03b4\u03b9\u03ac\u03c3\u03c4\u03b7\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03b4\u03b9\u03ac\u03bd\u03c5\u03c3\u03b5 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae \u03c0\u03bf\u03c5 \u03be\u03b5\u03ba\u03af\u03bd\u03b7\u03c3\u03b5 \u03bc\u03ad\u03c7\u03c1\u03b9 \u03c0\u03bf\u03c5 \u03c3\u03c4\u03b1\u03bc\u03ac\u03c4\u03b7\u03c3\u03b5.\n<p><div id=\"attachment_5163\" style=\"width: 357px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5163\" class=\" wp-image-5163\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-5-300x89.jpg\" alt=\"\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 9\" width=\"347\" height=\"103\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-5-300x89.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-5.jpg 489w\" sizes=\"auto, (max-width: 347px) 100vw, 347px\" \/><p id=\"caption-attachment-5163\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 10<\/p><\/div><\/li>\n<li>\u03a4\u03b1 \u03b4\u03cd\u03bf \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1 \u03a3<sub>1<\/sub> \u03ba\u03b1\u03b9 \u03a3<sub>2<\/sub> \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03b5\u03bc\u03ad\u03bd\u03b1 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b5 \u03bd\u03ae\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03ad\u03c7\u03bf\u03c5\u03bd \u03bc\u03ac\u03b6\u03b5\u03c2 m<sub>1<\/sub>=5kg \u03ba\u03b1\u03b9 m<sub>2<\/sub>=2kg \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b1. \u0391\u03c3\u03ba\u03bf\u03cd\u03bc\u03b5 \u03c3\u03c4\u03bf \u03a3<sub>1<\/sub> \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 F=49N \u03ba\u03b1\u03b9 \u03b8\u03ad\u03c4\u03bf\u03c5\u03bc\u03b5 \u03c3\u03b5 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7 \u03c4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03c4\u03c9\u03bd \u03b4\u03cd\u03bf \u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03bd. \u0391\u03bd \u03bf \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf\u03c5 \u03b5\u03c0\u03b9\u03c0\u03ad\u03b4\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc=0,3, \u03c5\u03c0\u03bf\u03bb\u03cc\u03b3\u03b9\u03c3\u03b5:\n<ol>\n<li>\u03a4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03c4\u03ac\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03bd\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bd\u03b4\u03ad\u03b5\u03b9 \u03c4\u03b1 \u03b4\u03cd\u03bf \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1.<\/li>\n<li>\u03a4\u03b7 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 F \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03b1\u03c3\u03ba\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c3\u03c4\u03bf \u03a3<sub>1<\/sub> \u03ce\u03c3\u03c4\u03b5 \u03c4\u03bf \u03bd\u03ae\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bd\u03b4\u03ad\u03b5\u03b9 \u03c4\u03b1 \u03b4\u03cd\u03bf \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1 \u03bd\u03b1 \u03bc\u03b7 \u03c3\u03c0\u03ac\u03c3\u03b5\u03b9, \u03cc\u03c4\u03b1\u03bd \u03c4\u03bf \u03cc\u03c1\u03b9\u03bf \u03b8\u03c1\u03b1\u03cd\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03bd\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 30\u039d.<\/li>\n<\/ol>\n<p><em>\u03a5\u03c0\u03cc\u03b4\u03b5\u03b9\u03be\u03b7: \u03a9\u03c2 &#8220;\u03cc\u03c1\u03b9\u03bf \u03b8\u03c1\u03b1\u03cd\u03c3\u03b7\u03c2&#8221; \u03b5\u03bd\u03bd\u03bf\u03bf\u03cd\u03bc\u03b5 \u03c4\u03b7 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03c4\u03ac\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03bd\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2. \u0391\u03bd \u03b7 \u03c4\u03ac\u03c3\u03b7 \u03b3\u03af\u03bd\u03b5\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03ae\u03bd \u03c4\u03cc\u03c4\u03b5 \u03c4\u03bf \u03bd\u03ae\u03bc\u03b1 \u03c3\u03c0\u03ac\u03b5\u03b9.<\/em><\/p>\n<p><div id=\"attachment_5165\" style=\"width: 364px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5165\" class=\" wp-image-5165\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-6-300x84.jpg\" alt=\"\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 10\" width=\"354\" height=\"99\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-6-300x84.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-6.jpg 655w\" sizes=\"auto, (max-width: 354px) 100vw, 354px\" \/><p id=\"caption-attachment-5165\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 11<\/p><\/div><\/li>\n<li>\u03a4\u03b1 \u03b4\u03cd\u03bf \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1 \u03a3<sub>1<\/sub> \u03ba\u03b1\u03b9 \u03a3<sub>2<\/sub> \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03b5\u03bc\u03ad\u03bd\u03b1 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b5 \u03bd\u03ae\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03b4\u03b9\u03ad\u03c1\u03c7\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03bc\u03af\u03b1 \u03b1\u03ba\u03af\u03bd\u03b7\u03c4\u03b7 \u03c4\u03c1\u03bf\u03c7\u03b1\u03bb\u03af\u03b1. \u039f\u03b9 \u03bc\u03ac\u03b6\u03b5\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 m<sub>1<\/sub>=5kg \u03ba\u03b1\u03b9 m<sub>2<\/sub>=2kg \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b1, \u03b5\u03bd\u03ce \u03c4\u03bf \u03a3<sub>2<\/sub> \u03ad\u03c7\u03b5\u03b9 \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03bf \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03bc=0,5. \u0391\u03c6\u03ae\u03bd\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03a3<sub>1<\/sub> \u03b5\u03bb\u03b5\u03cd\u03b8\u03b5\u03c1\u03bf \u03bd\u03b1 \u03ba\u03b9\u03bd\u03b7\u03b8\u03b5\u03af \u03c0\u03c1\u03bf\u03c2 \u03ba\u03ac\u03c4\u03c9, \u03c0\u03b1\u03c1\u03b1\u03c3\u03ad\u03c1\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03bc\u03ad\u03c3\u03c9 \u03c4\u03bf\u03c5 \u03bd\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c3\u03b5 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03bf\u00a0\u03a3<sub>2<\/sub>.\n<ol>\n<li>\u03a3\u03c7\u03b5\u03b4\u03af\u03b1\u03c3\u03b5 \u03c4\u03b1 \u0394\u0395\u03a3 \u03c4\u03c9\u03bd \u03b4\u03cd\u03bf \u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03bd.<\/li>\n<li>\u03a5\u03c0\u03bf\u03bb\u03cc\u03b3\u03b9\u03c3\u03b5 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03ba\u03b9\u03bd\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c4\u03b1 \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1.<\/li>\n<li>\u03a5\u03c0\u03bf\u03bb\u03cc\u03b3\u03b9\u03c3\u03b5 \u03c4\u03b7\u03bd \u03c4\u03ac\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03bd\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2.<\/li>\n<\/ol>\n<p><div id=\"attachment_5168\" style=\"width: 382px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5168\" class=\" wp-image-5168\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-7-300x158.jpg\" alt=\"\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 11\" width=\"372\" height=\"196\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-7-300x158.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-7.jpg 590w\" sizes=\"auto, (max-width: 372px) 100vw, 372px\" \/><p id=\"caption-attachment-5168\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 12<\/p><\/div><\/li>\n<li>\u03a4\u03b1 \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1 \u03a3<sub>1<\/sub> \u03ba\u03b1\u03b9 \u03a3<sub>2<\/sub> \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03b5 \u03b5\u03c0\u03b1\u03c6\u03ae \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03b9 \u03ad\u03c7\u03bf\u03c5\u03bd \u03bc\u03ac\u03b6\u03b5\u03c2 m<sub>1<\/sub>=4kg \u03ba\u03b1\u03b9 m<sub>2<\/sub>=8kg \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b1. \u03a3\u03c4\u03bf \u03a3<sub>1<\/sub> \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 F=120N \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03c4\u03c9\u03bd \u03b4\u03cd\u03bf \u03bc\u03b1\u03b6\u03ce\u03bd \u03c4\u03af\u03b8\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7. \u039d\u03b1 \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c4\u03b1 \u0394\u0395\u03a3 \u03c4\u03c9\u03bd \u03b4\u03cd\u03bf \u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03bd, \u03bd\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03b9\u03c2 \u03c4\u03b9\u03c2 \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03bb\u03bb\u03b7\u03bb\u03b5\u03c0\u03b9\u03b4\u03c1\u03bf\u03cd\u03bd \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03ba\u03b9\u03bd\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9, \u03c3\u03b5 \u03b4\u03cd\u03bf \u03c0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b9\u03b5\u03c2:\n<ol>\n<li>\u038c\u03c4\u03b1\u03bd \u03b4\u03b5\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03c4\u03c1\u03b9\u03b2\u03ad\u03c2.<\/li>\n<li>\u038c\u03c4\u03b1\u03bd \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03bf\u03c1\u03b9\u03b6\u03bf\u03bd\u03c4\u03af\u03bf\u03c5 \u03b5\u03c0\u03b9\u03c0\u03ad\u03b4\u03bf\u03c5 \u03bf \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc=0,6.<\/li>\n<\/ol>\n<p><div id=\"attachment_5171\" style=\"width: 375px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5171\" class=\" wp-image-5171\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-8-300x105.jpg\" alt=\"\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 12\" width=\"365\" height=\"128\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-8-300x105.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-8.jpg 596w\" sizes=\"auto, (max-width: 365px) 100vw, 365px\" \/><p id=\"caption-attachment-5171\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 13<\/p><\/div><\/li>\n<li>\u0388\u03bd\u03b1 \u03c6\u03bf\u03c1\u03c4\u03b7\u03b3\u03ac\u03ba\u03b9 \u03bc\u03b5\u03c4\u03b1\u03c6\u03ad\u03c1\u03b5\u03b9 \u03c3\u03c4\u03b7\u03bd \u03ba\u03b1\u03c1\u03cc\u03c4\u03c3\u03b1 \u03c4\u03bf\u03c5 \u03ba\u03b9\u03b2\u03ce\u03c4\u03b9\u03bf \u03bc\u03ac\u03b6\u03b1\u03c2 200kg. \u038c\u03c4\u03b1\u03bd \u03c4\u03bf \u03cc\u03c7\u03b7\u03bc\u03b1 \u03b5\u03c0\u03b9\u03c4\u03b1\u03c7\u03cd\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 1,2m\/s<sup>2<\/sup>, \u03c4\u03bf \u03ba\u03b9\u03b2\u03ce\u03c4\u03b9\u03bf \u03bc\u03cc\u03bb\u03b9\u03c2 \u03b1\u03c1\u03c7\u03af\u03b6\u03b5\u03b9 \u03bd\u03b1 \u03b3\u03bb\u03c5\u03c3\u03c4\u03c1\u03ac\u03b5\u03b9. \u03a3\u03c7\u03b5\u03b4\u03af\u03b1\u03c3\u03b5 \u03c4\u03bf \u0394\u0395\u03a3 \u03c4\u03bf\u03c5 \u03ba\u03b9\u03b2\u03c9\u03c4\u03af\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03b2\u03c1\u03b5\u03c2 \u03c4\u03b7\u03bd \u03bf\u03c1\u03b9\u03b1\u03ba\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5 \u03ba\u03b9\u03b2\u03c9\u03c4\u03af\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03b4\u03b1\u03c0\u03ad\u03b4\u03bf\u03c5 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03c1\u03cc\u03c4\u03c3\u03b1\u03c2.\n<p><div id=\"attachment_5192\" style=\"width: 395px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5192\" class=\" wp-image-5192\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/image-300x124.jpeg\" alt=\"\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 14\" width=\"385\" height=\"159\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/image-300x124.jpeg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/image-768x318.jpeg 768w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/image-1024x424.jpeg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/image.jpeg 1465w\" sizes=\"auto, (max-width: 385px) 100vw, 385px\" \/><p id=\"caption-attachment-5192\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 14<\/p><\/div><\/li>\n<li>\u0391\u03c6\u03ae\u03bd\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03bd\u03b1 \u03b3\u03bb\u03c5\u03c3\u03c4\u03c1\u03ae\u03c3\u03b5\u03b9 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03ba\u03ac\u03c4\u03c9 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03ba\u03b5\u03ba\u03bb\u03b9\u03bc\u03ad\u03bd\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03b3\u03c9\u03bd\u03af\u03b1\u03c2 30<sup>0<\/sup>.\n<ol>\n<li>\u03a3\u03c7\u03b5\u03b4\u03af\u03b1\u03c3\u03b5 \u03c4\u03bf \u0394\u0395\u03a3 \u03c4\u03bf\u03c5 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c5\u03c0\u03bf\u03bb\u03cc\u03b3\u03b9\u03c3\u03b5 \u03bc\u03b5 \u03c0\u03cc\u03c3\u03b7 \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7 \u03ba\u03b1\u03c4\u03b5\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1, \u03b1\u03bd \u03bf \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 0,4;<\/li>\n<li>\u03a0\u03cc\u03c3\u03bf\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03bf\u03c2 \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03ba\u03b5\u03ba\u03bb\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5 \u03b5\u03c0\u03b9\u03c0\u03ad\u03b4\u03bf\u03c5 \u03ce\u03c3\u03c4\u03b5 \u03cc\u03c4\u03b1\u03bd \u03b1\u03c6\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1, \u03b1\u03c5\u03c4\u03cc \u03b8\u03b1 \u03bf\u03bb\u03b9\u03c3\u03b8\u03ae\u03c3\u03b5\u03b9 \u03bf\u03c0\u03c9\u03c3\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 \u03ba\u03b1\u03b9 \u03b4\u03b5 \u03b8\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bc\u03b5\u03af\u03bd\u03b5\u03b9 \u03b1\u03ba\u03af\u03bd\u03b7\u03c4\u03bf \u03c3\u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03c4\u03bf\u03c5 \u03b8\u03ad\u03c3\u03b7;<\/li>\n<\/ol>\n<p><div id=\"attachment_5176\" style=\"width: 351px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5176\" class=\" wp-image-5176\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-9-300x159.jpg\" alt=\"\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 13\" width=\"341\" height=\"181\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-9-300x159.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-9.jpg 441w\" sizes=\"auto, (max-width: 341px) 100vw, 341px\" \/><p id=\"caption-attachment-5176\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 15<\/p><\/div><\/li>\n<li>\u0391\u03c0\u03cc \u03c4\u03b7 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03ba\u03b5\u03ba\u03bb\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5 \u03b5\u03c0\u03b9\u03c0\u03ad\u03b4\u03bf\u03c5 \u03b3\u03c9\u03bd\u03af\u03b1\u03c2 30<sup>0<\/sup>, \u03b5\u03ba\u03c4\u03bf\u03be\u03b5\u03cd\u03bf\u03c5\u03bc\u03b5 \u03ba\u03b1\u03c4\u03ac \u03bc\u03ae\u03ba\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c3\u03ce\u03bc\u03b1 \u03bc\u03b5 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 20m\/s. \u0391\u03bd \u03b4\u03b5\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03c4\u03c1\u03b9\u03b2\u03ad\u03c2, \u03bd\u03b1 \u03b2\u03c1\u03b5\u03b9\u03c2 \u03c0\u03cc\u03c3\u03b7 \u03b4\u03b9\u03b1\u03b4\u03c1\u03bf\u03bc\u03ae \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03ba\u03ac\u03bd\u03b5\u03b9 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03bc\u03ad\u03c7\u03c1\u03b9 \u03bd\u03b1 \u03c3\u03c4\u03b1\u03bc\u03b1\u03c4\u03ae\u03c3\u03b5\u03b9 \u03c3\u03c4\u03b9\u03b3\u03bc\u03b9\u03b1\u03af\u03b1 \u03c0\u03b9\u03bf \u03c8\u03b7\u03bb\u03ac \u03ba\u03b1\u03b9 \u03c0\u03cc\u03c3\u03bf \u03c7\u03c1\u03cc\u03bd\u03bf \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae \u03c4\u03b7\u03c2 \u03b5\u03ba\u03c4\u03cc\u03be\u03b5\u03c5\u03c3\u03b7\u03c2 \u03bc\u03ad\u03c7\u03c1\u03b9 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03ad\u03c8\u03b5\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03c4\u03bf\u03c5 \u03b8\u03ad\u03c3\u03b7; \u0391\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b5 \u03c3\u03c4\u03b1 \u03af\u03b4\u03b9\u03b1 \u03b5\u03c1\u03c9\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b1\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2 \u03bc=0,3.\n<p><div id=\"attachment_5179\" style=\"width: 368px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5179\" class=\" wp-image-5179\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-10-300x144.jpg\" alt=\"\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 14\" width=\"358\" height=\"172\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-10-300x144.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-10.jpg 441w\" sizes=\"auto, (max-width: 358px) 100vw, 358px\" \/><p id=\"caption-attachment-5179\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 16<\/p><\/div><\/li>\n<li>\u0391\u03c6\u03ae\u03bd\u03bf\u03c5\u03bc\u03b5 \u03ad\u03bd\u03b1 \u03c3\u03ce\u03bc\u03b1 \u03bc\u03ac\u03b6\u03b1\u03c2 3kg \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03ba\u03b5\u03ba\u03bb\u03b9\u03bc\u03ad\u03bd\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03b3\u03c9\u03bd\u03af\u03b1\u03c2 30<sup>0<\/sup>, \u03cc\u03c0\u03bf\u03c5 \u03b7 \u03bf\u03c1\u03b9\u03b1\u03ba\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae \u03bc\u03b5 \u03c4\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03a4<sub>\u03bf\u03c1<\/sub>=18\u039d.\n<ol>\n<li>\u0391\u03c0\u03cc\u03b4\u03b5\u03b9\u03be\u03b5 \u03cc\u03c4\u03b9 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03b4\u03b5 \u03b8\u03b1 \u03bf\u03bb\u03b9\u03c3\u03b8\u03ae\u03c3\u03b5\u03b9.<\/li>\n<li>\u03a3\u03c0\u03c1\u03ce\u03c7\u03bd\u03bf\u03c5\u03bc\u03b5 \u03bb\u03af\u03b3\u03bf \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1, \u03bf\u03c0\u03cc\u03c4\u03b5 \u03b1\u03c5\u03c4\u03cc \u03b1\u03c1\u03c7\u03af\u03b6\u03b5\u03b9 \u03bd\u03b1 \u03bf\u03bb\u03b9\u03c3\u03b8\u03b1\u03af\u03bd\u03b5\u03b9 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03ba\u03ac\u03c4\u03c9 \u03bc\u03b5 \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7 2m\/s<sup>2<\/sup>. B\u03c1\u03b5\u03c2 \u03c4\u03bf \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2.<\/li>\n<\/ol>\n<\/li>\n<li>\u03a3\u03b5 \u03c3\u03ce\u03bc\u03b1 \u03bc\u03ac\u03b6\u03b1\u03c2 5kg \u03c0\u03bf\u03c5 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03ba\u03b5\u03ba\u03bb\u03b9\u03bc\u03ad\u03bd\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03b3\u03c9\u03bd\u03af\u03b1\u03c2 30<sup>0 <\/sup>\u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 F=50N. \u039f \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03ba\u03b5\u03ba\u03bb\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5 \u03b5\u03c0\u03b9\u03c0\u03ad\u03b4\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 0,3.\n<ol>\n<li>\u0392\u03c1\u03b5\u03c2 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03ad\u03c7\u03b5\u03b9 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03ba\u03b9\u03bd\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03c0\u03ac\u03bd\u03c9.<\/li>\n<li>\u03a0\u03cc\u03c3\u03bf \u03b8\u03b1 \u03b1\u03bd\u03b5\u03b2\u03b5\u03af \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03b1\u03bd \u03b7 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03c4\u03bf\u03c5 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 4m\/s<sup>2<\/sup> \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03c0\u03ac\u03bd\u03c9;\n<p><div id=\"attachment_5186\" style=\"width: 369px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5186\" class=\" wp-image-5186\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-12-300x147.jpg\" alt=\"\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 16\" width=\"359\" height=\"176\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-12-300x147.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-12.jpg 448w\" sizes=\"auto, (max-width: 359px) 100vw, 359px\" \/><p id=\"caption-attachment-5186\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 18<\/p><\/div><\/li>\n<\/ol>\n<\/li>\n<li>\u0388\u03bd\u03b1 \u03c3\u03ce\u03bc\u03b1 \u03bf\u03bb\u03b9\u03c3\u03b8\u03b1\u03af\u03bd\u03b5\u03b9 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03ba\u03b5\u03ba\u03bb\u03b9\u03bc\u03ad\u03bd\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03b3\u03c9\u03bd\u03af\u03b1\u03c2 45<sup>0 <\/sup>\u03b4\u03b9\u03b1\u03bd\u03cd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03bc\u03af\u03b1 \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c3\u03b5 \u03b4\u03b9\u03c0\u03bb\u03ac\u03c3\u03b9\u03bf \u03c7\u03c1\u03cc\u03bd\u03bf \u03b1\u03c0\u03cc \u03cc, \u03c4\u03b9 \u03c3\u03b5 \u03ba\u03b5\u03ba\u03bb\u03b9\u03bc\u03ad\u03bd\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03af\u03b4\u03b9\u03b1\u03c2 \u03b3\u03c9\u03bd\u03af\u03b1\u03c2, \u03b1\u03bb\u03bb\u03ac \u03c7\u03c9\u03c1\u03af\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ad\u03c2. \u03a5\u03c0\u03bf\u03bb\u03cc\u03b3\u03b9\u03c3\u03b5 \u03c4\u03bf \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2 \u03c3\u03c4\u03b7\u03bd \u03c0\u03c1\u03ce\u03c4\u03b7 \u03c0\u03b5\u03c1\u03af\u03c0\u03c4\u03c9\u03c3\u03b7.<\/li>\n<li>T\u03bf \u03c3\u03ce\u03bc\u03b1 \u03a3<sub>1<\/sub> \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03ba\u03b1\u03b9 \u03b5\u03c0\u03ac\u03bd\u03c9 \u03c4\u03bf\u03c5 \u03b1\u03ba\u03bf\u03c5\u03bc\u03c0\u03ac \u03c4\u03bf \u03a3<sub>2<\/sub>. \u03a4\u03b1 \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bd \u03bc\u03ac\u03b6\u03b5\u03c2 m<sub>1<\/sub>=6kg \u03ba\u03b1\u03b9 m<sub>2<\/sub>=3kg \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b1, \u03b5\u03bd\u03ce \u03bf \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03a3<sub>1<\/sub> \u03bc\u03b5 \u03c4\u03bf \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc=0,3. \u0397 \u03bf\u03c1\u03b9\u03b1\u03ba\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5 \u03a3<sub>1<\/sub> \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03a3<sub>2<\/sub> \u03b5\u03af\u03bd\u03b1\u03b9 \u03a4<sub>\u03bf\u03c1<\/sub>=40N. \u03a3\u03ad\u03c1\u03bd\u03bf\u03c5\u03bc\u03b5 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03b4\u03b5\u03be\u03b9\u03ac \u03c4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1, \u03b1\u03c3\u03ba\u03ce\u03bd\u03c4\u03b1\u03c2 \u03bc\u03af\u03b1 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 F \u03c3\u03c4\u03bf \u03a3<sub>1<\/sub>. \u03a0\u03cc\u03c3\u03b7 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 F, \u03ce\u03c3\u03c4\u03b5 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03a3<sub>2<\/sub> \u03bd\u03b1 \u03bc\u03b7 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c3\u03c7\u03ad\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03bf \u03a3<sub>1<\/sub>.\n<p><div id=\"attachment_5184\" style=\"width: 370px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5184\" class=\" wp-image-5184\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-11-300x110.jpg\" alt=\"\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 16\" width=\"360\" height=\"132\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-11-300x110.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-11.jpg 539w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><p id=\"caption-attachment-5184\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 20<\/p><\/div><\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p>\u0393\u03b9\u03ac\u03bd\u03bd\u03b7\u03c2 \u0393\u03b1\u03ca\u03c3\u03af\u03b4\u03b7\u03c2<\/p>\n<p><a href=\"m&#x61;&#x69;l&#116;&#x6f;:&#103;&#x61;&#x69;s&#x69;&#x64;i&#115;&#x40;v&#105;&#x65;&#x77;o&#x6e;&#x70;h&#121;&#x73;i&#99;&#x73;&#x2e;g&#x72;\">&#x67;&#x61;&#105;&#115;id&#x69;&#x73;&#x40;&#118;iew&#x6f;&#x6e;&#x70;&#104;ys&#x69;&#x63;&#x73;&#46;&#103;r<\/a><\/p>\n<p><span style=\"color: #333333;\"><a href=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/03\/img_1494.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/03\/img_1494.jpg\" alt=\"img_1494\" width=\"140\" height=\"133\" \/><\/a> <\/span><\/p>\n<p><span style=\"border-radius: 2px; text-indent: 20px; width: auto; padding: 0px 4px 0px 0px; text-align: center; font: bold 11px\/20px 'Helvetica Neue',Helvetica,sans-serif; color: #ffffff; background: #bd081c no-repeat scroll 3px 50% \/ 14px 14px; position: absolute; opacity: 1; z-index: 8675309; display: none; cursor: pointer;\">\u039a\u03c1\u03ac\u03c4\u03b1 \u03c4\u03bf<\/span><\/p>\n<p><span style=\"border-radius: 2px; text-indent: 20px; width: auto; padding: 0px 4px 0px 0px; text-align: center; font: bold 11px\/20px 'Helvetica Neue',Helvetica,sans-serif; color: #ffffff; background: #bd081c no-repeat scroll 3px 50% \/ 14px 14px; position: absolute; opacity: 1; z-index: 8675309; display: none; cursor: pointer; top: 285px; left: 214px;\">\u039a\u03c1\u03ac\u03c4\u03b1 \u03c4\u03bf<\/span><\/p>\n<p><span style=\"border-radius: 2px; text-indent: 20px; width: auto; padding: 0px 4px 0px 0px; text-align: center; font: bold 11px\/20px 'Helvetica Neue',Helvetica,sans-serif; color: #ffffff; background: #bd081c no-repeat scroll 3px 50% \/ 14px 14px; position: absolute; opacity: 1; z-index: 8675309; display: none; cursor: pointer; top: 285px; left: 214px;\">\u039a\u03c1\u03ac\u03c4\u03b1 \u03c4\u03bf<\/span><\/p>\n<p><span style=\"border-radius: 2px; text-indent: 20px; width: auto; padding: 0px 4px 0px 0px; text-align: center; font: bold 11px\/20px 'Helvetica Neue',Helvetica,sans-serif; color: #ffffff; background: #bd081c no-repeat scroll 3px 50% \/ 14px 14px; position: absolute; opacity: 1; z-index: 8675309; display: none; cursor: pointer;\">\u039a\u03c1\u03ac\u03c4\u03b1 \u03c4\u03bf<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u03a3\u03c4\u03b9\u03c2 \u03b1\u03c3\u03ba\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c0\u03b1\u03af\u03c1\u03bd\u03b5\u03b9\u03c2 \u03b7\u03bc300=0,5, \u03c3\u03c5\u03bd300=0,9, \u03b5\u03c6300=0,58, \u03b7\u03bc450=0,7, \u03c3\u03c5\u03bd450=0,7, g=10m\/s2. \u039d\u03b1 \u03b8\u03b5\u03c9\u03c1\u03b5\u03af\u03c2 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03c4\u03b1 \u03bd\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03c4\u03c1\u03bf\u03c7\u03b1\u03bb\u03af\u03b5\u03c2 \u03b1\u03b2\u03b1\u03c1\u03ae. \u03a3\u03b5 \u03c3\u03ce\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf, \u03b1\u03c1\u03c7\u03af\u03b6\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 F, \u03b7 \u03bf\u03c0\u03bf\u03af\u03b1 \u03ba\u03ac\u03c0\u03bf\u03b9\u03b1 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae \u03ba\u03b9\u03bd\u03b5\u03af \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03bc\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1. \u03a3\u03c4\u03bf \u03b4\u03b9\u03ac\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bf\u03bb\u03ae \u03c4\u03b7\u03c2 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2 \u03c3\u03b5 \u03c3\u03c5\u03bd\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03bf [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5186,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[36,37],"tags":[47],"class_list":["post-5139","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-36","category-37","tag-47"],"jetpack_featured_media_url":"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2016\/09\/\u03a4\u03c1\u03b9\u03b2\u03ae-12.jpg","jetpack_shortlink":"https:\/\/wp.me\/p4sIra-1kT","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=\/wp\/v2\/posts\/5139","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5139"}],"version-history":[{"count":46,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=\/wp\/v2\/posts\/5139\/revisions"}],"predecessor-version":[{"id":6354,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=\/wp\/v2\/posts\/5139\/revisions\/6354"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=\/wp\/v2\/media\/5186"}],"wp:attachment":[{"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5139"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5139"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}