{"id":2945,"date":"2013-02-07T21:05:29","date_gmt":"2013-02-07T19:05:29","guid":{"rendered":"http:\/\/viewonphysics.gr\/?p=2945"},"modified":"2021-03-11T20:51:31","modified_gmt":"2021-03-11T18:51:31","slug":"%cf%80%ce%af%ce%b5%cf%83%ce%b7-3","status":"publish","type":"post","link":"https:\/\/viewonphysics.gr\/?p=2945","title":{"rendered":"\u03a0\u03af\u03b5\u03c3\u03b7"},"content":{"rendered":"<p>\u039c\u03b5 \u03ba\u03bb\u03b9\u03ba <a href=\"https:\/\/wp.me\/a4sIra-2b8\" target=\"_blank\" rel=\"noopener\">\u03b5\u03b4\u03ce<\/a> \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c2 \u03bd\u03b1 \u03ba\u03b1\u03c4\u03b5\u03b2\u03ac\u03c3\u03b5\u03b9\u03c2 \u03bc\u03af\u03b1 \u03c3\u03cd\u03bd\u03c4\u03bf\u03bc\u03b7 \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03af\u03b1\u03c3\u03b7 \u03c3\u03b5 Power Point \u03c4\u03b7\u03c2 \u03b8\u03b5\u03c9\u03c1\u03af\u03b1\u03c2 \u03c4\u03b7\u03c2 \u03c0\u03af\u03b5\u03c3\u03b7\u03c2, \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03ae \u03c4\u03b7\u03c2.<\/p>\n<ol>\n<li>\u03a3\u03b7\u03bc\u03b5\u03b9\u03ce\u03c3\u03c4\u03b5 \u03bc\u03b5 \u03a3 \u03ba\u03b1\u03b9 \u039b \u03c4\u03b9\u03c2 \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03bb\u03ac\u03b8\u03bf\u03c2 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b1:\n<ol>\n<li>\u0397 \u03c0\u03b9\u03ad\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c4\u03b1 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7.<\/li>\n<li>\u0397 \u03c0\u03af\u03b5\u03c3\u03b7 \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03b9\u03b1\u03bd\u03c5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u03bc\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2.<\/li>\n<li>\u0397 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03ba\u03ac\u03b8\u03b5\u03c4\u03b1 \u03c3\u03b5 \u03bc\u03af\u03b1 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03b4\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03b5\u03bc\u03b2\u03b1\u03b4\u03bf\u03cd \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2 \u03bc\u03b1\u03c2 \u03b4\u03af\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c0\u03af\u03b5\u03c3\u03b7.<\/li>\n<li>\u0397 \u03c0\u03af\u03b5\u03c3\u03b7 \u03b4\u03b9\u03c0\u03bb\u03b1\u03c3\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03b1\u03bd \u03b4\u03b9\u03c0\u03bb\u03b1\u03c3\u03b9\u03ac\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03ba\u03ac\u03b8\u03b5\u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03bc\u03af\u03b1 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1.<\/li>\n<li>\u0397 \u03c0\u03af\u03b5\u03c3\u03b7 \u03b4\u03b9\u03c0\u03bb\u03b1\u03c3\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03b1\u03bd \u03bc\u03b5\u03b9\u03ce\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c3\u03c4\u03bf \u03bc\u03b9\u03c3\u03cc \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2 \u03b5\u03c0\u03af \u03c4\u03b7\u03c2 \u03bf\u03c0\u03bf\u03af\u03b1\u03c2 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03ba\u03ac\u03b8\u03b5\u03c4\u03b1 \u03bc\u03b9\u03b1 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7. <\/li>\n<\/ol>\n<\/li>\n<li>\u0395\u03c0\u03b9\u03bb\u03ad\u03be\u03c4\u03b5 \u03c4\u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7.\u0393\u03b9\u03b1 \u03bd\u03b1 \u03b2\u03c1\u03bf\u03cd\u03bc\u03b5 \u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03ba\u03ac\u03b8\u03b5\u03c4\u03b1 \u03c3\u03b5 \u03bc\u03b9\u03b1 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03af\u03b5\u03c3\u03b7 P \u03ba\u03b1\u03b9 \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u0391 \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2 \u03c9\u03c2 \u03b5\u03be\u03ae\u03c2:\n<ol>\n<li><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-ce576acbcc9c7482aae18f379e547d68_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#70;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#80;&#125;&#123;&#65;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"50\" style=\"vertical-align: -6px;\"\/><\/li>\n<li><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-5af41fc2243902a79a4e948ff222e98d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#70;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#65;&#125;&#123;&#80;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"50\" style=\"vertical-align: -6px;\"\/><\/li>\n<li><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-d7345b64499297b0a11f5ce849fb1230_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#70;&#61;&#80;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#65;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"77\" style=\"vertical-align: 0px;\"\/><\/li>\n<li>F=P<\/li>\n<\/ol>\n<\/li>\n<li>\u0395\u03c0\u03b9\u03bb\u03ad\u03be\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2: \u03a3\u03b5 \u03ba\u03ac\u03b8\u03b5 \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03c9\u03bd\u03b9\u03ba\u03cc \u03bc\u03ad\u03c4\u03c1\u03bf \u03bc\u03b9\u03b1\u03c2 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03bf\u03cd \u03b5\u03bc\u03b2\u03b1\u03b4\u03bf\u03cd 3m<sup>2<\/sup> \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03ba\u03ac\u03b8\u03b5\u03c4\u03b1 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 10\u039d. \u03a4\u03cc\u03c4\u03b5:\n<ol>\n<li>\u0397 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 10\u039d\/m<sup>2<\/sup>.<\/li>\n<li>\u0397 \u03c0\u03af\u03b5\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 10Pa.<\/li>\n<li>\u0397 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 30\u039d.<\/li>\n<li>\u0397 \u03c0\u03af\u03b5\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 3,33Pa.<\/li>\n<li>\u0397 \u03c0\u03af\u03b5\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 30N\/m<sup>2<\/sup>.<\/li>\n<\/ol>\n<\/li>\n<li>\u03a3\u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03b5\u03b9\u03ba\u03cc\u03bd\u03b5\u03c2 \u03c6\u03b1\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c4\u03b1 \u03af\u03c7\u03bd\u03b7 \u03ba\u03b1\u03bc\u03ae\u03bb\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03af\u03c7\u03bd\u03b7 \u03b1\u03bd\u03b8\u03c1\u03ce\u03c0\u03bf\u03c5 \u03c3\u03c4\u03b7\u03bd \u03ac\u03bc\u03bc\u03bf. \u03a0\u03bf\u03b9\u03b1 \u03af\u03c7\u03bd\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b9\u03bf \u03b2\u03b1\u03b8\u03b9\u03ac; \u00a0\u03a0\u03bf\u03b9\u03bf\u03c2 \u03ad\u03c7\u03b5\u03b9 \u03c0\u03b9\u03bf \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf \u03b2\u03ac\u03c1\u03bf\u03c2, \u03bf \u03ac\u03bd\u03b8\u03c1\u03c9\u03c0\u03bf\u03c2 \u03ae \u03b7 \u03ba\u03b1\u03bc\u03ae\u03bb\u03b1; \u03a0\u03c9\u03c2 \u03b5\u03be\u03b7\u03b3\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03bf\u03b9 \u03b5\u03b9\u03ba\u03cc\u03bd\u03b5\u03c2;\n<p><div id=\"attachment_2954\" style=\"width: 331px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/02\/image4.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2954\" class=\" wp-image-2954\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/02\/image4-300x225.jpg\" alt=\"\u03ac\u03c3\u03ba\u03b7\u03c3\u03b7 4\" width=\"321\" height=\"241\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/02\/image4-300x225.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/02\/image4-1024x767.jpg 1024w\" sizes=\"auto, (max-width: 321px) 100vw, 321px\" \/><\/a><p id=\"caption-attachment-2954\" class=\"wp-caption-text\">\u03ac\u03c3\u03ba\u03b7\u03c3\u03b7 4<\/p><\/div><\/li>\n<li>\u0388\u03bd\u03b1 \u03c0\u03b1\u03b9\u03b4\u03af \u03c3\u03c4\u03ad\u03ba\u03b5\u03c4\u03b1\u03b9 \u03cc\u03c1\u03b8\u03b9\u03bf \u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03b7\u03bd \u03ac\u03bc\u03bc\u03bf. \u039e\u03b1\u03c6\u03bd\u03b9\u03ba\u03ac \u03ba\u03ac\u03bd\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03bf \u03ac\u03bb\u03bc\u03b1 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03c0\u03ac\u03bd\u03c9. \u0398\u03b1 \u03b2\u03c5\u03b8\u03b9\u03c3\u03c4\u03b5\u03af \u03c0\u03b9\u03bf \u03c0\u03bf\u03bb\u03cd \u03c4\u03ce\u03c1\u03b1 \u03c3\u03c4\u03b7\u03bd \u03ac\u03bc\u03bc\u03bf \u03ae \u03cc\u03c7\u03b9; \u0393\u03b9\u03b1\u03c4\u03af;<\/li>\n<li>\u03a0\u03bf\u03b9\u03bf \u03b1\u03c0\u03cc \u03c4\u03b1 \u03b4\u03cd\u03bf \u03c0\u03b1\u03c0\u03bf\u03cd\u03c4\u03c3\u03b9\u03b1,\u03b7 \u03b3\u03cc\u03b2\u03b1 \u03ae \u03c4\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf, \u03b8\u03b1 \u03b1\u03c3\u03ba\u03b5\u03af \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03c0\u03af\u03b5\u03c3\u03b7 \u03b5\u03c0\u03af \u03c4\u03bf\u03c5 \u03b5\u03b4\u03ac\u03c6\u03bf\u03c5\u03c2, \u03b1\u03bd \u03c6\u03bf\u03c1\u03b5\u03b8\u03bf\u03cd\u03bd \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03b3\u03c5\u03bd\u03b1\u03af\u03ba\u03b1;\n<p><div id=\"attachment_2956\" style=\"width: 325px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/02\/\u03c0\u03af\u03b5\u03c3\u03b7-\u03ac\u03c3\u03ba\u03b7\u03c3\u03b7-6.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2956\" class=\" wp-image-2956\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/02\/\u03c0\u03af\u03b5\u03c3\u03b7-\u03ac\u03c3\u03ba\u03b7\u03c3\u03b7-6.jpg\" alt=\"\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 6\" width=\"315\" height=\"123\" \/><\/a><p id=\"caption-attachment-2956\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 6<\/p><\/div><\/li>\n<li>\u03a0\u03bf\u03b9\u03b1 \u03ad\u03b4\u03c1\u03b1 \u03c4\u03bf\u03c5 \u03c0\u03b1\u03ba\u03ad\u03c4\u03bf\u03c5 \u03b8\u03b1 \u03b2\u03ac\u03b6\u03b1\u03c4\u03b5 \u03bd\u03b1 \u03b1\u03ba\u03bf\u03c5\u03bc\u03c0\u03ac \u03c3\u03c4\u03bf \u03ad\u03b4\u03b1\u03c6\u03bf\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03b7 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7 \u03c0\u03af\u03b5\u03c3\u03b7; \u0395\u03c0\u03b9\u03bb\u03ad\u03be\u03c4\u03b5 \u03c4\u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae:\n<ol>\n<li>\u0391\u0392\u0395\u0397<\/li>\n<li>\u0391\u0392\u0393\u0394<\/li>\n<li>\u0392\u0393\u0396\u0395\n<p><div id=\"attachment_2958\" style=\"width: 282px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/02\/\u03c0\u03af\u03b5\u03c3\u03b7-\u03ac\u03c3\u03ba\u03b7\u03c3\u03b7-8.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2958\" class=\" wp-image-2958\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/02\/\u03c0\u03af\u03b5\u03c3\u03b7-\u03ac\u03c3\u03ba\u03b7\u03c3\u03b7-8.jpg\" alt=\"\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 8\" width=\"272\" height=\"143\" \/><\/a><p id=\"caption-attachment-2958\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 7<\/p><\/div><\/li>\n<\/ol>\n<\/li>\n<li>\u0391\u03bd \u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03ba\u03ac\u03b8\u03b5\u03c4\u03b1 \u03c3\u03b5 \u03bc\u03af\u03b1 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03b5\u03bc\u03b2\u03b1\u03b4\u03bf\u03cd 1,5m<sup>2<\/sup> \u03ba\u03b1\u03c4\u03b1\u03bd\u03ad\u03bc\u03b5\u03c4\u03b1\u03b9 \u03ad\u03c4\u03c3\u03b9 \u03ce\u03c3\u03c4\u03b5 \u03c3\u03b5 \u03ba\u03ac\u03b8\u03b5 1m<sup>2<\/sup> \u03bd\u03b1 \u03b1\u03c3\u03ba\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 900N, \u03c0\u03cc\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c0\u03af\u03b5\u03c3\u03b7 \u03b5\u03c0\u03af \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2; \u00a0\u03a0\u03cc\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1;<\/li>\n<li>\u0397 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03ba\u03ac\u03b8\u03b5\u03c4\u03b1 \u03c3\u03b5 \u03bc\u03af\u03b1 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 200\u039d \u03ba\u03b1\u03b9 \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 80cm<sup>2<\/sup>.\u03a0\u03cc\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b1\u03c3\u03ba\u03bf\u03cd\u03bc\u03b5\u03bd\u03b7 \u03c0\u03af\u03b5\u03c3\u03b7;<\/li>\n<li>\u0397 \u03b4\u03b9\u03ac\u03bc\u03b5\u03c4\u03c1\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03c5\u03b8\u03bc\u03ad\u03bd\u03b1 \u03b5\u03bd\u03cc\u03c2 \u03b4\u03bf\u03c7\u03b5\u03af\u03bf\u03c5 \u03b1\u03c0\u03bf\u03b8\u03ae\u03ba\u03b5\u03c5\u03c3\u03b7\u03c2 \u03bb\u03b1\u03b4\u03b9\u03bf\u03cd \u03b5\u03af\u03bd\u03b1\u03b9 40cm. \u03a4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03b3\u03b5\u03bc\u03ac\u03c4\u03bf \u03bc\u03b5 \u03bb\u03ac\u03b4\u03b9 \u03ba\u03b1\u03b9 \u03b7 \u03c0\u03af\u03b5\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf\u03bd \u03c0\u03c5\u03b8\u03bc\u03ad\u03bd\u03b1 \u03bb\u03cc\u03b3\u03c9 \u03c4\u03bf\u03c5 \u03bb\u03b1\u03b4\u03b9\u03bf\u03cd \u03b5\u03af\u03bd\u03b1\u03b9 1400N\/m<sup>2<\/sup>. \u03a0\u03cc\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03b5\u03af \u03c4\u03bf \u03bb\u03ac\u03b4\u03b9 \u03c3\u03c4\u03bf\u03bd \u03c0\u03c5\u03b8\u03bc\u03ad\u03bd\u03b1 \u03c4\u03bf\u03c5 \u03b4\u03bf\u03c7\u03b5\u03af\u03bf\u03c5; \u039d\u03b1 \u03bb\u03ac\u03b2\u03b5\u03c4\u03b5 \u03c5\u03c0\u03cc\u03c8\u03b7 \u03cc\u03c4\u03b9 \u03bf\u00a0\u03c0\u03c5\u03b8\u03bc\u03ad\u03bd\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03c5\u03ba\u03bb\u03b9\u03ba\u03cc\u03c2.<\/li>\n<li>\u03a0\u03bf\u03b9\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03bc\u03b9\u03b1\u03c2 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2 \u03c3\u03c4\u03b7\u03bd \u03bf\u03c0\u03bf\u03af\u03b1 \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03c0\u03af\u03b5\u03c3\u03b7 8000N\/m<sup>2<\/sup> \u03b5\u03be \u03b1\u03b9\u03c4\u03af\u03b1\u03c2 \u03bc\u03b9\u03b1\u03c2 \u03ba\u03ac\u03b8\u03b5\u03c4\u03b7\u03c2 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2 20\u039d;<\/li>\n<li>\u03a0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03bf \u03c4\u03c1\u03b1\u03c0\u03ad\u03b6\u03b9 \u03c4\u03b7\u03c2 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1\u03c2 \u03ad\u03c7\u03b5\u03b9 \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c4\u03b7\u03b8\u03b5\u03af \u03ad\u03bd\u03b1 \u03c0\u03b1\u03ba\u03ad\u03c4\u03bf \u03b2\u03ac\u03c1\u03bf\u03c5\u03c2 W=150N. \u0395\u03c7\u03bf\u03c5\u03bd \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03c4\u03c1\u03b5\u03b9\u03c2 \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2 \u03bc\u03b5 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ac \u03c7\u03c1\u03ce\u03bc\u03b1\u03c4\u03b1: \u0397 \u03bc\u03c0\u03bb\u03b5 W, \u03b7 \u03c0\u03c1\u03ac\u03c3\u03b9\u03bd\u03b7 F (\u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03c0\u03ac\u03bd\u03c9) \u03ba\u03b1\u03b9 \u03b7 \u03ba\u03cc\u03ba\u03ba\u03b9\u03bd\u03b7 F (\u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03ba\u03ac\u03c4\u03c9).\n<ol>\n<li>\u03a0\u03bf\u03b9\u03b5\u03c2 \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03ad\u03c2 \u03c4\u03b9\u03c2 \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2 \u03b1\u03c3\u03ba\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03ba\u03b1\u03b9 \u03c0\u03bf\u03b9\u03b5\u03c2 \u03c3\u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03c4\u03c1\u03b1\u03c0\u03b5\u03b6\u03b9\u03bf\u03cd; \u0391\u03c0\u03cc \u03c0\u03bf\u03cd \u03c0\u03c1\u03bf\u03ad\u03c1\u03c7\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03ba\u03ac\u03b8\u03b5 \u03bc\u03af\u03b1;<\/li>\n<li>\u03a0\u03cc\u03c3\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03bc\u03ad\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2 \u03ba\u03ac\u03b8\u03b5 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2;<\/li>\n<li>\u03a0\u03bf\u03b9\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c0\u03af\u03b5\u03c3\u03b7 \u03b5\u03c0\u03af \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03c4\u03c1\u03b1\u03c0\u03b5\u03b6\u03b9\u03bf\u03cd;<\/li>\n<li>\u0391\u03bd \u03c4\u03bf \u03b2\u03ac\u03c1\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c4\u03c1\u03b1\u03c0\u03b5\u03b6\u03b9\u03bf\u03cd \u03b5\u03af\u03bd\u03b1\u03b9 250\u039d, \u03c0\u03bf\u03b9\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c0\u03af\u03b5\u03c3\u03b7 \u03b5\u03c0\u03af \u03c4\u03bf\u03c5 \u03c0\u03b1\u03c4\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03cc\u03c0\u03bf\u03c5 \u03b1\u03ba\u03bf\u03c5\u03bc\u03c0\u03ac \u03c4\u03bf \u03c4\u03c1\u03b1\u03c0\u03ad\u03b6\u03b9; \u039f\u03b9 \u03b4\u03b9\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd \u03c0\u03bf\u03b4\u03b9\u03ce\u03bd \u03c4\u03bf\u03c5 \u03c4\u03c1\u03b1\u03c0\u03b5\u03b6\u03b9\u03bf\u03cd \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03c0\u03b1\u03ba\u03ad\u03c4\u03bf\u03c5 \u03b1\u03bd\u03b1\u03b3\u03c1\u03ac\u03c6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1.\n<p><div id=\"attachment_2962\" style=\"width: 349px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/02\/\u03c0\u03af\u03b5\u03c3\u03b7-\u03ac\u03c3\u03ba\u03b7\u03c3\u03b7-12.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2962\" class=\" wp-image-2962\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/02\/\u03c0\u03af\u03b5\u03c3\u03b7-\u03ac\u03c3\u03ba\u03b7\u03c3\u03b7-12-300x272.jpg\" alt=\"\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 12\" width=\"339\" height=\"307\" \/><\/a><p id=\"caption-attachment-2962\" class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 12<\/p><\/div><\/li>\n<\/ol>\n<\/li>\n<\/ol>\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;i&#115;&#x69;di&#x73;&#x40;v&#x69;&#x65;w&#111;&#x6e;p&#104;&#x79;si&#x63;&#x73;.&#x67;&#x72;\">&#103;a&#x69;s&#x69;d&#x69;&#115;&#x40;&#118;i&#x65;w&#x6f;n&#x70;h&#x79;&#115;&#x69;&#99;s&#x2e;g&#x72;<\/a><\/p>\n<p><a href=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/03\/img_1494.jpg\"><span style=\"color: #333333;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/03\/img_1494.jpg\" alt=\"img_1494\" width=\"127\" height=\"120\" \/><\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u039c\u03b5 \u03ba\u03bb\u03b9\u03ba \u03b5\u03b4\u03ce \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c2 \u03bd\u03b1 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