{"id":6276,"date":"2018-02-22T11:35:17","date_gmt":"2018-02-22T09:35:17","guid":{"rendered":"http:\/\/viewonphysics.gr\/?p=6276"},"modified":"2018-03-04T18:59:50","modified_gmt":"2018-03-04T16:59:50","slug":"%cf%80%cf%8e%cf%82-%cf%83%cf%87%ce%b5%ce%b4%ce%b9%ce%ac%ce%b6%ce%bf%cf%85%ce%bc%ce%b5-%ce%ad%ce%bd%ce%b1-%cf%83%cf%89%cf%83%cf%84%cf%8c-%ce%b4%ce%b9%ce%ac%ce%b3%cf%81%ce%b1%ce%bc%ce%bc%ce%b1-%ce%b5","status":"publish","type":"post","link":"https:\/\/viewonphysics.gr\/?p=6276","title":{"rendered":"\u03a0\u03ce\u03c2 \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 \u03ad\u03bd\u03b1 \u03c3\u03c9\u03c3\u03c4\u03cc \u0394\u03b9\u03ac\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 \u0395\u03bb\u03b5\u03c5\u03b8\u03ad\u03c1\u03bf\u03c5 \u03a3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2"},"content":{"rendered":"<ul>\n<li><strong>\u03a4\u03bf\u03c5 Albert Lee<\/strong><\/li>\n<li><strong>\u0391\u03c0\u03cc \u03c4\u03bf &#8220;The Physics Teacher&#8221;<\/strong><\/li>\n<\/ul>\n<h2><span 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\u03b2\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae \u03b4\u03cd\u03bf \u03be\u03b5\u03c7\u03c9\u03c1\u03b9\u03c3\u03c4\u03ce\u03bd \u0394\u0395\u03a3: \u0388\u03bd\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u0391 \u03ba\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u0392.<\/p>\n<div id=\"attachment_6278\" style=\"width: 397px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6278\" class=\"wp-image-6278\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/02\/\u0394\u0395\u03a3-1-300x131.jpg\" alt=\"\" width=\"387\" height=\"169\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/02\/\u0394\u0395\u03a3-1-300x131.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/02\/\u0394\u0395\u03a3-1.jpg 516w\" sizes=\"auto, (max-width: 387px) 100vw, 387px\" \/><p id=\"caption-attachment-6278\" class=\"wp-caption-text\">\u0395\u03b9\u03ba. 1. \u0388\u03bd\u03b1 \u03b1\u03c0\u03bb\u03cc \u03c3\u03c7\u03ad\u03b4\u03b9\u03bf \u03c4\u03bf\u03c5 \u03c0\u03c1\u03bf\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \/ \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 \u03c4\u03c9\u03bd \u03b4\u03cd\u03bf \u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03bd, \u03c4\u03bf\u03c5 \u0391 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u0392, \u03c4\u03b1 \u03bf\u03c0\u03bf\u03af\u03b1 \u03c9\u03b8\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03c4\u03c1\u03b1\u03c0\u03ad\u03b6\u03b9 \u03c7\u03c9\u03c1\u03af\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1 \u03c7\u03ad\u03c1\u03b9 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03b4\u03b5\u03be\u03b9\u03ac. m<sub>A<\/sub> \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03bc\u03ac\u03b6\u03b1 \u03c4\u03bf\u03c5 \u0391 \u03ba\u03b1\u03b9 m,<sub>B<\/sub> \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03bc\u03ac\u03b6\u03b1 \u03c4\u03bf\u03c5 \u0392.<\/p><\/div>\n<p><!--more--><\/p>\n<p><span style=\"font-size: 12pt;\"><em><span style=\"color: #0000ff;\"><strong>\u0392\u03ae\u03bc\u03b1 \u03c0\u03c1\u03ce\u03c4\u03bf: \u03a3\u03c7\u03b5\u03b4\u03b9\u03ac\u03c3\u03c4\u03b5 \u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1<\/strong><\/span><\/em><\/span><\/p>\n<p>\u03a0\u03c1\u03ce\u03c4\u03bf\u03bd, \u03c0\u03b1\u03c1\u03b9\u03c3\u03c4\u03ac\u03bd\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03c0\u03c1\u03cc\u03b2\u03bb\u03b7\u03bc\u03b1 \/ \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03bc\u03b5 \u03ad\u03bd\u03b1 \u03b1\u03c0\u03bb\u03cc \u03c3\u03c7\u03ad\u03b4\u03b9\u03bf, \u03cc\u03c0\u03c9\u03c2 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u0395\u03b9\u03ba. 1. \u0391\u03bb\u03bb\u03ac \u03bc\u03b5\u03c1\u03b9\u03ba\u03ad\u03c2 \u03c6\u03bf\u03c1\u03ad\u03c2, \u03ad\u03bd\u03b1 \u03c4\u03ad\u03c4\u03bf\u03b9\u03bf \u03c3\u03c7\u03ad\u03b4\u03b9\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03ae\u03b4\u03b7 \u03b4\u03bf\u03c3\u03bc\u03ad\u03bd\u03bf. \u03a3\u03b5 \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7\u03bd \u03c0\u03b5\u03c1\u03af\u03c0\u03c4\u03c9\u03c3\u03b7, \u03c0\u03b7\u03b3\u03b1\u03af\u03bd\u03bf\u03c5\u03bc\u03b5 \u03c3\u03c4\u03bf \u03b4\u03b5\u03cd\u03c4\u03b5\u03c1\u03bf \u03b2\u03ae\u03bc\u03b1.<\/p>\n<p><span style=\"color: #0000ff; font-size: 12pt;\"><em><strong>\u0392\u03ae\u03bc\u03b1 \u03b4\u03b5\u03cd\u03c4\u03b5\u03c1\u03bf: \u0395\u03c0\u03b9\u03bb\u03ad\u03be\u03c4\u03b5 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03bf\u03bc\u03bf\u03bd\u03ce\u03c3\u03c4\u03b5<\/strong><\/em><\/span><\/p>\n<p>\u03a3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1, \u03b5\u03c0\u03b9\u03bb\u03ad\u03b3\u03bf\u03c5\u03bc\u03b5 \u03ad\u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03b3\u03b9\u03b1 \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03b8\u03b1 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03c4\u03bf \u0394\u0395\u03a3. \u03a5\u03c0\u03b5\u03bd\u03b8\u03c5\u03bc\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03cc\u03c4\u03b9 \u03c7\u03c1\u03b5\u03b9\u03b1\u03b6\u03cc\u03bc\u03b1\u03c3\u03c4\u03b5 \u03ad\u03bd\u03b1 \u03be\u03b5\u03c7\u03c9\u03c1\u03b9\u03c3\u03c4\u03cc \u0394\u0395\u03a3 \u03b3\u03b9\u03b1 \u03ba\u03ac\u03b8\u03b5 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf. \u0395\u03b4\u03ce \u03b8\u03b1 \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c0\u03c1\u03ce\u03c4\u03b1 \u03c4\u03bf \u0394\u0395\u03a3 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u0391. \u0388\u03c4\u03c3\u03b9, \u03be\u03b5\u03ba\u03b9\u03bd\u03ac\u03bc\u03b5 \u03be\u03b5\u03c7\u03c9\u03c1\u03b9\u03c3\u03c4\u03ac \u03ad\u03bd\u03b1 \u03bd\u03ad\u03bf \u03c3\u03c7\u03ad\u03b4\u03b9\u03bf \u03b3\u03b9\u03b1 \u03c4\u03bf \u0391. \u03a3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1, \u03bc\u03b5 \u03b4\u03b9\u03b1\u03ba\u03b5\u03ba\u03bf\u03bc\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ad\u03c2, \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 \u03cc, \u03c4\u03b9 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ae \u03b5\u03c0\u03b1\u03c6\u03ae \u03bc\u03b5 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u0391, \u03cc\u03c0\u03c9\u03c2 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u0395\u03b9\u03ba. 2. \u039c\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c7\u03c1\u03ae\u03c3\u03b9\u03bc\u03bf \u03bd\u03b1 \u03c5\u03c0\u03b5\u03bd\u03b8\u03c5\u03bc\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03cc\u03c4\u03b9 \u03ba\u03ac\u03b8\u03b5 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03cc\u03c0\u03c9\u03c2 \u03c3\u03c4\u03b7\u03bd\u00a0 \u0395\u03b9\u03ba. 2, \u03b1\u03bd\u03c4\u03af \u03bd\u03b1 \u03c4\u03bf \u03c0\u03b1\u03c1\u03b9\u03c3\u03c4\u03ac\u03bd\u03bf\u03c5\u03bc\u03b5 \u03c9\u03c2 \u03ad\u03bd\u03b1\u00a0 \u03b1\u03c0\u03bb\u03cc \u03c3\u03b7\u03bc\u03b5\u03af\u03bf, \u03ad\u03c4\u03c3\u03b9 \u03ce\u03c3\u03c4\u03b5 \u03c4\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03ba\u03b1\u03b9 \/ \u03ae \u03bf\u03b9 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b5\u03c2 \u03bd\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b1\u03bd\u03b1\u03b3\u03bd\u03c9\u03c1\u03b9\u03c3\u03c4\u03bf\u03cd\u03bd \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03c4\u03bf\u03bd\u03b9\u03c3\u03c4\u03bf\u03cd\u03bd \u03bc\u03b5 \u03c3\u03b1\u03c6\u03ae\u03bd\u03b5\u03b9\u03b1.<\/p>\n<div id=\"attachment_6286\" style=\"width: 400px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6286\" class=\"wp-image-6286\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/02\/\u0394\u0395\u03a3-2-300x132.jpg\" alt=\"\" width=\"390\" height=\"171\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/02\/\u0394\u0395\u03a3-2-300x132.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/02\/\u0394\u0395\u03a3-2.jpg 501w\" sizes=\"auto, (max-width: 390px) 100vw, 390px\" \/><p id=\"caption-attachment-6286\" class=\"wp-caption-text\">\u0395\u03b9\u03ba. 2. \u03a4\u03bf \u03c3\u03ce\u03bc\u03b1 \u0391 \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c3\u03c5\u03bd\u03b5\u03c7\u03b5\u03af\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ad\u03c2. \u0386\u03bb\u03bb\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b1 \u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03b5 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ae \u03b5\u03c0\u03b1\u03c6\u03ae \u03bc\u03b5 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u0391 \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03b4\u03b9\u03b1\u03ba\u03b5\u03ba\u03bf\u03bc\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ad\u03c2. \u03a4\u03bf \u03c7\u03ad\u03c1\u03b9 \u03c0\u03b9\u03ad\u03b6\u03b5\u03b9 \u03c4\u03bf \u0391 \u03ba\u03b1\u03b9 \u03ba\u03ac\u03bd\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ae \u03b5\u03c0\u03b1\u03c6\u03ae \u03bc\u03b5 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03b1\u03c5\u03c4\u03cc. \u03a4\u03bf \u03c4\u03c1\u03b1\u03c0\u03ad\u03b6\u03b9 \u03c7\u03c9\u03c1\u03af\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae \u03ba\u03ac\u03bd\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ae \u03b5\u03c0\u03b1\u03c6\u03ae \u03bc\u03b5 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u0391.. \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf \u0392 \u03ba\u03ac\u03bd\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ae \u03b5\u03c0\u03b1\u03c6\u03ae \u03bc\u03b5 \u0391. \u0395\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2, \u03c4\u03bf \u03c7\u03ad\u03c1\u03b9, \u03c4\u03bf \u03c4\u03c1\u03b1\u03c0\u03ad\u03b6\u03b9 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u0392 \u03b5\u03af\u03bd\u03b1\u03b9 \u03cc\u03bb\u03b1 \u03bc\u03b5 \u03b4\u03b9\u03b1\u03ba\u03b5\u03ba\u03bf\u03bc\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ad\u03c2.<\/p><\/div>\n<p>&nbsp;<\/p>\n<p><span style=\"font-size: 12pt; color: #0000ff;\"><em><strong>\u0392\u03ae\u03bc\u03b1 \u03c4\u03c1\u03af\u03c4\u03bf: \u0392\u03c1\u03b5\u03af\u03c4\u03b5 \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b9\u03c3\u03b7\u03bc\u03ac\u03bd\u03b5\u03c4\u03b5<\/strong><\/em><\/span><\/p>\n<p>\u0392\u03c1\u03af\u03c3\u03ba\u03bf\u03c5\u03bc\u03b5 \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1\/\u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b5\u03c2 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03c4\u03bf\u03c5 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u0391 \u03bc\u03b5 \u03c4\u03b1 \u03ac\u03bb\u03bb\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b1. \u03a3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1, \u03c4\u03bf\u03bd\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b5\u03c2 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 A. \u0397 \u0395\u03b9\u03ba.3 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c0\u03ce\u03c2 \u03b8\u03b1 \u03bc\u03bf\u03b9\u03ac\u03b6\u03b5\u03b9.<\/p>\n<div id=\"attachment_6289\" style=\"width: 399px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6289\" class=\"wp-image-6289\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/02\/\u0394\u0395\u03a3-3-300x131.jpg\" alt=\"\" width=\"389\" height=\"170\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/02\/\u0394\u0395\u03a3-3-300x131.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/02\/\u0394\u0395\u03a3-3.jpg 501w\" sizes=\"auto, (max-width: 389px) 100vw, 389px\" \/><p id=\"caption-attachment-6289\" class=\"wp-caption-text\">\u0395\u03b9\u03ba. 3. \u038c\u03bb\u03b1 \u03c4\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u0391 \u03c4\u03bf\u03bd\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c1\u03bf\u03b6 \u03c7\u03c1\u03ce\u03bc\u03b1. \u03a4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03bc\u03b5 \u03c4\u03bf \u03c7\u03ad\u03c1\u03b9 (\u03b4\u03ac\u03ba\u03c4\u03c5\u03bb\u03bf), \u03b7 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03bc\u03b5 \u03c4\u03bf \u03c4\u03c1\u03b1\u03c0\u03ad\u03b6\u03b9 \u03ba\u03b1\u03b9 \u03b7 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03bc\u03b5 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u0392, \u03b5\u03af\u03bd\u03b1\u03b9 \u03cc\u03bb\u03b1 \u03c4\u03bf\u03bd\u03b9\u03c3\u03bc\u03ad\u03bd\u03b1.<\/p><\/div>\n<p>&nbsp;<\/p>\n<p><em><span style=\"font-size: 12pt; color: #0000ff;\"><strong>\u0392\u03ae\u03bc\u03b1 \u03c4\u03ad\u03c4\u03b1\u03c1\u03c4\u03bf: \u03a0\u03c1\u03bf\u03c3\u03b4\u03b9\u03bf\u03c1\u03af\u03c3\u03c4\u03b5 \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b9\u03c3\u03b7\u03bc\u03ac\u03bd\u03b5\u03c4\u03b5<\/strong><\/span><\/em><\/p>\n<p>\u03a3\u03b5 \u03ba\u03ac\u03b8\u03b5 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf\/\u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2, \u03c0\u03c1\u03bf\u03c3\u03b4\u03b9\u03bf\u03c1\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c0\u03bf\u03b9\u03b5\u03c2 \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03b1\u03c3\u03ba\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03bc\u03c0\u03bb\u03bf\u03ba A. \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03c4\u03bf\u03bd\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03bc\u03b5 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1\u00a0 \u0392, \u03c1\u03c9\u03c4\u03ac\u03bc\u03b5 &#8220;\u03c0\u03bf\u03b9\u03bf \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03b1\u03c3\u03ba\u03b5\u03af \u03bc\u03b9\u03b1 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03c3\u03c4\u03bf \u0391;&#8221; \u039f\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03b8\u03b1 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03bf\u03c5\u03bd, &#8220;\u03a4\u03bf \u03c3\u03ce\u03bc\u03b1 \u0392&#8221;. \u0391\u03bd \u03c0\u03b1\u03b9\u03b4\u03b5\u03cd\u03bf\u03bd\u03c4\u03b1\u03b9, \u03c4\u03cc\u03c4\u03b5 \u03c1\u03c9\u03c4\u03ac\u03bc\u03b5 &#8220;\u03c4\u03b9 \u03b1\u03b3\u03b3\u03af\u03b6\u03b5\u03b9 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u0391 \u03c3\u03b5 \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1;&#8221; \u03a1\u03c9\u03c4\u03ac\u03bc\u03b5, \u03c4\u03b9 \u03c0\u03c1\u03bf\u03c3\u03c0\u03b1\u03b8\u03b5\u03af \u03bd\u03b1 \u03ba\u03ac\u03bd\u03b5\u03b9 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03bf \u0391 \u03b1\u03c5\u03c4\u03ae \u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2, \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u0392; \u039f\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c4\u03b5\u03bb\u03b9\u03ba\u03ac \u03b8\u03b1 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03bf\u03c5\u03bd, &#8220;\u03b8\u03b1 \u03c4\u03bf \u03c3\u03c0\u03c1\u03ce\u03be\u03b5\u03b9 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03b1\u03c1\u03b9\u03c3\u03c4\u03b5\u03c1\u03ac&#8221;. \u03a1\u03c9\u03c4\u03ac\u03bc\u03b5, \u03c0\u03ce\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03bf\u03bd\u03bf\u03bc\u03ac\u03c3\u03bf\u03c5\u03bc\u03b5 \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7; \u039f\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03b1\u03c0\u03b1\u03bd\u03c4\u03bf\u03cd\u03bd &#8220;\u03ba\u03ac\u03b8\u03b5\u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7&#8221;. \u03a3\u03c7\u03b5\u03b4\u03b9\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03b4\u03b9\u03ac\u03bd\u03c5\u03c3\u03bc\u03b1 \u03c4\u03b7\u03c2 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03b7\u03bc\u03b5\u03b9\u03ce\u03bd\u03bf\u03c5\u03bc\u03b5 \u03bc\u03b5 \u03c3\u03b1\u03c6\u03ae\u03bd\u03b5\u03b9\u03b1 \u03c0\u03bf\u03b9\u03bf \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03b1\u03c3\u03ba\u03b5\u03af \u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03ba\u03b1\u03b9 \u03b5\u03c0\u03af \u03c0\u03bf\u03b9\u03bf\u03c5 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5. (\u039a\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03c3\u03b7\u03bc\u03b5\u03af\u03c9\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03c9\u03bd \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03ae\u03c3\u03b1\u03bc\u03b5 \u03c4\u03b7 \u03c3\u03cd\u03bc\u03b2\u03b1\u03c3\u03b7: F<sub>ab<\/sub> \u03c0\u03bf\u03c5 \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 &#8220;\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf a \u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03bf b.&#8221; \u0393\u03b9\u03b1 \u03bd\u03b1 \u03c4\u03bf \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03b1\u03c5\u03c4\u03cc \u03c0\u03b9\u03bf \u03c3\u03b1\u03c6\u03ad\u03c2, \u03c0\u03c1\u03bf\u03c3\u03b8\u03ad\u03c4\u03bf\u03c5\u03bc\u03b5 &#8220;\u03b1\u03c0\u03cc&#8221; \u03ba\u03b1\u03b9 &#8220;\u03c3\u03c4\u03bf&#8221; \u03c3\u03c4\u03b1 ab.) \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03b5\u03af \u03c4\u03bf\u00a0 \u0392 \u03c3\u03c4\u03bf\u00a0 \u0391 \u03c3\u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03b8\u03b1 \u03b3\u03c1\u03ac\u03c6\u03b5\u03c4\u03b1\u03b9 \u03cc\u03c0\u03c9\u03c2 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1 4 (\u03b1). \u039f \u03c6\u03bf\u03c1\u03ad\u03b1\u03c2 \u03c4\u03b7\u03c2 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2 \u03c4\u03c1\u03b1\u03b2\u03b9\u03ad\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03bf\u03c5\u03c1\u03ac \u03bd\u03b1 \u03b1\u03c1\u03c7\u03af\u03b6\u03b5\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2. \u03a3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1, \u03c1\u03c9\u03c4\u03ac\u03bc\u03b5 \u03b1\u03bd \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03ac\u03bb\u03bb\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03c3\u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u0391 \u03b1\u03c0\u03cc \u03ac\u03bb\u03bb\u03b7 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03ae \u03c3\u03b7\u03bc\u03b5\u03af\u03bf. \u0391\u03bd \u03b7 \u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bd\u03b1\u03b9, \u03c4\u03cc\u03c4\u03b5 \u03b8\u03b1 \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03c3\u03bf\u03c5\u03bc\u03b5 \u03ba\u03b1\u03b9 \u03b8\u03b1 \u03bf\u03bd\u03bf\u03bc\u03ac\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03b4\u03b9\u03ac\u03bd\u03c5\u03c3\u03bc\u03b1 \u03c4\u03b7\u03c2 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2. \u0395\u03c0\u03b1\u03bd\u03b1\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03c5\u03bc\u03b5 \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03b3\u03b9\u03b1 \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b5\u03c2. \u039f\u03b9 \u03c0\u03c1\u03bf\u03ba\u03cd\u03c0\u03c4\u03bf\u03bd\u03c4\u03b5\u03c2 \u03c6\u03bf\u03c1\u03b5\u03af\u03c2 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b5\u03c9\u03bd \u03c6\u03b1\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u0395\u03b9\u03ba. 4 (\u03b2).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-6293 aligncenter\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/02\/\u0394\u0395\u03a3-4-300x128.jpg\" alt=\"\" width=\"342\" height=\"146\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/02\/\u0394\u0395\u03a3-4-300x128.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/02\/\u0394\u0395\u03a3-4.jpg 600w\" sizes=\"auto, (max-width: 342px) 100vw, 342px\" \/><\/p>\n<div id=\"attachment_6294\" style=\"width: 364px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6294\" class=\"wp-image-6294\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/02\/\u0394\u0395\u03a3-5-300x140.jpg\" alt=\"\" width=\"354\" height=\"165\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/02\/\u0394\u0395\u03a3-5-300x140.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/02\/\u0394\u0395\u03a3-5.jpg 621w\" sizes=\"auto, (max-width: 354px) 100vw, 354px\" \/><p id=\"caption-attachment-6294\" class=\"wp-caption-text\">\u0395\u03b9\u03ba. 4. (\u03b1) \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \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 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u0392 \u03c3\u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u0391. \u039f \u03c6\u03bf\u03c1\u03ad\u03b1\u03c2 \u03c4\u03b7\u03c2 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2 \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03bf\u03c5\u03c1\u03ac \u03bd\u03b1 \u03b1\u03c1\u03c7\u03af\u03b6\u03b5\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5 \u0391 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u0392. (\u03b2) \u0394\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03cc\u03bb\u03b5\u03c2 \u03c4\u03b9\u03c2 \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u0391 \u03c3\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03bc\u03b5 \u03c4\u03bf \u03c7\u03ad\u03c1\u03b9 (\u03b4\u03ac\u03ba\u03c4\u03c5\u03bb\u03bf), \u03c3\u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03bc\u03b5 \u03c4\u03bf \u03c4\u03c1\u03b1\u03c0\u03ad\u03b6\u03b9 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03bc\u03b5 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u0392.<\/p><\/div>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #0000ff; font-size: 12pt;\"><em><strong>\u0392\u03ae\u03bc\u03b1 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\u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u0391. \u039c\u03b5\u03c1\u03b9\u03ba\u03bf\u03af \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03bf\u03c5\u03bd &#8220;\u03b2\u03b1\u03c1\u03c5\u03c4\u03b9\u03ba\u03ae \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7&#8221;. \u03a3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1, \u03c1\u03c9\u03c4\u03ac\u03bc\u03b5 \u03c0\u03bf\u03b9\u03bf\u03c2 \u03b1\u03c3\u03ba\u03b5\u03af \u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03b2\u03b1\u03c1\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c3\u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u0391; \u039f\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03b8\u03b1 \u03b1\u03c0\u03b1\u03bd\u03c4\u03bf\u03cd\u03c3\u03b1\u03bd &#8220;\u03b7 \u0393\u03b7&#8221; \u03ba\u03b1\u03b9 &#8220;\u03c0\u03c1\u03bf\u03c2 \u03c4\u03b7 \u0393\u03b7.&#8221; \u0391\u03c6\u03bf\u03cd \u03c4\u03b5\u03bb\u03b5\u03b9\u03ce\u03c3\u03bf\u03c5\u03bc\u03b5 \u03cc\u03bb\u03b5\u03c2 \u03c4\u03b9\u03c2 \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2, \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c3\u03c4\u03bf \u03c4\u03ad\u03bb\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03bc\u03b7 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b7 \u0393\u03b7 \u03ba\u03b1\u03b9 \u03c0\u03b1\u03af\u03c1\u03bd\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u0395\u03b9\u03ba.5. \u03a4\u03bf \u03c4\u03b5\u03bb\u03b9\u03ba\u03cc \u03bc\u03b1\u03c2 \u03a3\u0394\u0395 \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ae\u03c2 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03c0\u03bf\u03c5 \u03c4\u03bf\u03bd\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03c2 \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03bc\u03b7 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2.<\/p>\n<div id=\"attachment_6298\" style=\"width: 379px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6298\" class=\"wp-image-6298\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/02\/\u0394\u0395\u03a3-6-300x182.jpg\" alt=\"\" width=\"369\" height=\"224\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/02\/\u0394\u0395\u03a3-6-300x182.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/02\/\u0394\u0395\u03a3-6.jpg 647w\" sizes=\"auto, (max-width: 369px) 100vw, 369px\" \/><p id=\"caption-attachment-6298\" class=\"wp-caption-text\">\u0395\u03b9\u03ba. 5. \u0391\u03c5\u03c4\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03c4\u03b5\u03bb\u03b9\u03ba\u03cc \u0394\u0395\u03a3 \u03c0\u03bf\u03c5 \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03c3\u03c4\u03b7\u03ba\u03b5 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u0391. \u03a0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ae\u03c2 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b9\u03c3\u03b7\u03bc\u03ac\u03bd\u03b8\u03b7\u03ba\u03b1\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03c2 \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2 \u03bc\u03b7 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2.<\/p><\/div>\n<p>&nbsp;<\/p>\n<p>\u0393\u03b9\u03b1 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u0392, \u03b5\u03c0\u03b1\u03bd\u03b1\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b1 \u03af\u03b4\u03b9\u03b1 \u03b2\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae \u03c4\u03bf\u03c5 \u0394\u0395\u03a3, \u03cc\u03c0\u03c9\u03c2 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u0395\u03b9\u03ba. 6. \u039f\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03af\u03c3\u03c9\u03c2 \u03b5\u03bd\u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03c7\u03ad\u03c1\u03b9 \u03c0\u03bf\u03c5 \u03c9\u03b8\u03b5\u03af \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u0391. \u039a\u03b1\u03b9 \u03c0\u03ac\u03bb\u03b9, \u03c4\u03bf\u03bd\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03b3\u03b5\u03b3\u03bf\u03bd\u03cc\u03c2 \u03cc\u03c4\u03b9 \u03c4\u03bf \u03c7\u03ad\u03c1\u03b9 \u03b4\u03b5\u03bd \u03ba\u03ac\u03bd\u03b5\u03b9 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ae \u03b5\u03c0\u03b1\u03c6\u03ae \u03bc\u03b5 \u03c4\u03bf \u0392, \u03ad\u03c4\u03c3\u03b9 \u03b4\u03b5\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03c0\u03bf\u03c5 \u03bd\u03b1 \u03c4\u03bf\u03bd\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c3\u03c7\u03ad\u03b4\u03b9\u03bf. \u0395\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2, \u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c7\u03ad\u03c1\u03b9 \u03b4\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03bc\u03c6\u03b1\u03bd\u03b9\u03c3\u03c4\u03b5\u03af \u03c3\u03c4\u03bf \u0394\u0395\u03a3 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u0392.<\/p>\n<div id=\"attachment_6300\" style=\"width: 422px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6300\" class=\"wp-image-6300\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/02\/\u0394\u0395\u03a3-7-300x160.jpg\" alt=\"\" width=\"412\" height=\"220\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/02\/\u0394\u0395\u03a3-7-300x160.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/02\/\u0394\u0395\u03a3-7.jpg 568w\" sizes=\"auto, (max-width: 412px) 100vw, 412px\" \/><p id=\"caption-attachment-6300\" class=\"wp-caption-text\">\u0395\u03b9\u03ba. 6. \u0391\u03c5\u03c4\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03c4\u03b5\u03bb\u03b9\u03ba\u03cc \u0394\u0395\u03a3 \u03c0\u03bf\u03c5 \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03c3\u03c4\u03b7\u03ba\u03b5 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u0392. \u03a0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ae\u03c2 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03c0\u03bf\u03c5 \u03c4\u03bf\u03bd\u03af\u03bf\u03bd\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03c2 \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2 \u03bc\u03b7 \u03b5\u03c0\u03b1\u03c6\u03ae\u03c2.<\/p><\/div>\n<p>&nbsp;<\/p>\n<p><em><span style=\"color: #0000ff;\"><strong><span style=\"font-size: 12pt;\">\u0395\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae<\/span><\/strong><\/span><\/em><\/p>\n<p>\u0394\u03bf\u03ba\u03b9\u03bc\u03ac\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b1 \u03c4\u03c1\u03af\u03b1 \u0394\u0395\u03a3 \u03b3\u03b9\u03b1 \u03c4\u03b1 \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1 \u03c4\u03b7\u03c2 \u0395\u03b9\u03ba. 7.<\/p>\n<div id=\"attachment_6302\" style=\"width: 393px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6302\" class=\" wp-image-6302\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/02\/\u0394\u0395\u03a3-8-300x116.jpg\" alt=\"\" width=\"383\" height=\"148\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/02\/\u0394\u0395\u03a3-8-300x116.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/02\/\u0394\u0395\u03a3-8.jpg 501w\" sizes=\"auto, (max-width: 383px) 100vw, 383px\" \/><p id=\"caption-attachment-6302\" class=\"wp-caption-text\">\u0395\u03b9\u03ba. 7.\u03a4\u03b1 \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1 \u0391, \u0392 \u03ba\u03b1\u03b9 \u0393 \u03c9\u03b8\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9\u03b9 \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03c4\u03c1\u03b1\u03c0\u03ad\u03b6\u03b9 \u03c7\u03c9\u03c1\u03af\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae \u03bc\u03b5 \u03ad\u03bd\u03b1 \u03c7\u03ad\u03c1\u03b9 \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03b5\u03af \u03bc\u03b9\u03b1 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7. \u03a4\u03bf \u03c3\u03ce\u03bc\u03b1 \u0391 \u03ad\u03c7\u03b5\u03b9 \u03bc\u03ac\u03b6\u03b1 2\u039c, \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u0392 \u03ad\u03c7\u03b5\u03b9 \u03bc\u03ac\u03b6\u03b1 3\u039c \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 C \u03ad\u03c7\u03b5\u03b9 \u03bc\u03ac\u03b6\u03b1 \u039c.<\/p><\/div>\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=\"&#x6d;&#x61;&#x69;&#x6c;&#116;&#111;:ga&#x69;&#x73;&#x69;&#x64;&#x69;&#115;&#64;vie&#x77;&#x6f;&#x6e;&#x70;&#x68;&#121;&#115;ics&#x2e;&#x67;&#x72;\">&#x67;a&#x69;s&#x69;&#100;i&#x73;&#64;&#x76;&#105;e&#x77;o&#x6e;&#112;h&#x79;s&#x69;c&#x73;&#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>\u03a4\u03bf\u03c5 Albert Lee \u0391\u03c0\u03cc \u03c4\u03bf &#8220;The Physics Teacher&#8221; \u03a0\u0395\u03a1\u0399\u039b\u0397\u03a8\u0397 \u03a9\u03c2 \u03b5\u03ba\u03c0\u03b1\u03b9\u03b4\u03b5\u03c5\u03c4\u03b9\u03ba\u03bf\u03af \u03c6\u03c5\u03c3\u03b9\u03ba\u03bf\u03af, \u03c0\u03c1\u03bf\u03c3\u03c0\u03b1\u03b8\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03b2\u03bf\u03b7\u03b8\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03bc\u03b1\u03c2 \u03bd\u03b1 \u03bc\u03ac\u03b8\u03bf\u03c5\u03bd \u03c4\u03b7 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ae. \u0391\u03bb\u03bb\u03ac \u03bf\u03b9 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