{"id":46,"date":"2012-12-05T23:27:00","date_gmt":"2012-12-05T23:27:00","guid":{"rendered":"http:\/\/viewonphysics.gr\/?p=46"},"modified":"2018-12-04T20:10:42","modified_gmt":"2018-12-04T18:10:42","slug":"%cf%83%cf%8d%ce%bd%ce%b8%ce%b5%cf%83%ce%b7-%ce%b4%cf%85%ce%bd%ce%ac%ce%bc%ce%b5%cf%89%ce%bd","status":"publish","type":"post","link":"https:\/\/viewonphysics.gr\/?p=46","title":{"rendered":"\u03a3\u03cd\u03bd\u03b8\u03b5\u03c3\u03b7 \u0394\u03c5\u03bd\u03ac\u03bc\u03b5\u03c9\u03bd"},"content":{"rendered":"<ol>\n<li><span style=\"font-family: Helvetica;\">\u0395\u03c0\u03b9\u03bb\u03ad\u03be\u03c4\u03b5 \u03c4\u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7: \u0397 \u03c3\u03c5\u03bd\u03b9\u03c3\u03c4\u03b1\u03bc\u03ad\u03bd\u03b7 \u03b4\u03cd\u03bf<\/span><span style=\"font-family: Helvetica;\">\u00a0\u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03c9\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03af\u03b1 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 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id=\"imgb05460c7-ff75-44ec-8cc7-9386e4ee3b77\" style=\"left: 2325px; opacity: 1; top: 127px;\" src=\"https:\/\/lh3.googleusercontent.com\/--ZvGFiFaoy4\/UMN_KE5XsII\/AAAAAAAABWM\/3aHcHCCPobA\/%25255BUNSET%25255D.jpg\" alt=\"\" width=\"305\" height=\"154\" \/><p class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 3<\/p><\/div>\n<p><!--more--><\/li>\n<li><span style=\"font-family: Helvetica;\">\u03a3\u03c4\u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03b1\u03c3\u03ba\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03bf\u03b9 \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd 25\u039d \u03ba\u03b1\u03b9 10\u039d \u03c0\u03bf\u03c5 \u03c6\u03b1\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03bf \u03c0\u03bb\u03b1\u03af\u03c3\u03b9\u03bf. \u0395\u03c0\u03b9\u03bb\u03ad\u03be\u03c4\u03b5 \u03c3\u03b5 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Helvetica;\"><span style=\"font-family: Helvetica;\">\u039f\u03b9 \u03af\u03b4\u03b9\u03b5\u03c2 \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2 \u03c4\u03b7\u03c2 \u03ac\u03c3\u03ba\u03b7\u03c3\u03b7\u03c2 4 \u03b1\u03c3\u03ba\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03c0\u03ac\u03bb\u03b9 \u03c3\u03c4\u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1, \u03b1\u03bb\u03bb\u03ac \u03bc\u03b5 \u03b1\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b5\u03c2 \u03ba\u03b1\u03c4\u03b5\u03c5\u03b8\u03cd\u03bd\u03c3\u03b5\u03b9\u03c2. \u0395\u03c0\u03b9\u03bb\u03ad\u03be\u03c4\u03b5 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c3\u03c7\u03ae\u03bc\u03b1\u03c4\u03b1 \u0391,\u0392,\u0393 \u03ba\u03b1\u03b9 \u0394 \u03c3\u03b5 \u03c0\u03bf\u03b9\u03bf \u03ad\u03c7\u03b5\u03b9 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03c3\u03c9\u03c3\u03c4\u03ac \u03c4\u03bf \u03b4\u03b9\u03ac\u03bd\u03c5\u03c3\u03bc\u03b1 \u03c4\u03b7\u03c2 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\u03b4\u03cd\u03bf \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2 F<span style=\"font-size: x-small;\">1 <\/span>\u03ba\u03b1\u03b9 <span style=\"-webkit-text-size-adjust: auto;\">F<span style=\"font-size: x-small;\">2<\/span>. \u0397 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 F<span style=\"font-size: x-small;\">2<\/span>\u00a0\u03b4\u03b5\u03bd \u03ad\u03c7\u03b5\u03b9 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03c4\u03b5\u03af. \u0388\u03c7\u03b5\u03b9 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03cc\u03bc\u03c9\u03c2 \u03b7 \u03c3\u03c5\u03bd\u03b9\u03c3\u03c4\u03b1\u03bc\u03ad\u03bd\u03b7 F<span style=\"font-size: x-small;\">\u03bf\u03bb<\/span> \u03c4\u03c9\u03bd \u03b4\u03cd\u03bf \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03c9\u03bd (\u03b4\u03b5\u03be\u03b9\u03ac) \u03ba\u03b1\u03b9 \u03b7 F<span style=\"font-size: x-small;\">1<\/span>, \u03b7 \u03bc\u03af\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03b4\u03cd\u03bf \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2 (\u03b1\u03c1\u03b9\u03c3\u03c4\u03b5\u03c1\u03ac). \u03a4\u03b1 \u03bc\u03ad\u03c4\u03c1\u03b1 \u03c4\u03c9\u03bd \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03c9\u03bd \u03b1\u03bd\u03b1\u03b3\u03c1\u03ac\u03c6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1. \u039d\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03c4\u03b5 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03c3\u03b5\u03c4\u03b5 \u03c3\u03b5 \u03ba\u03ac\u03b8\u03b5 \u03ad\u03bd\u03b1 \u03c3\u03ce\u03bc\u03b1 \u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 F<span style=\"font-size: x-small;\">2<\/span>.\u00a0 <\/span><\/span>\n<p><div style=\"width: 410px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" id=\"imge7460aa2-05b0-4581-9d6c-0012a40bac3d\" style=\"height: 220px; left: 260px; opacity: 1; top: 170px; width: 400px;\" src=\"https:\/\/lh4.googleusercontent.com\/-0eOIFSrmdjY\/UMN_Ni3SZLI\/AAAAAAAABWk\/8zG2pzZ3rGI\/%25255BUNSET%25255D.jpg\" alt=\"\" width=\"400\" height=\"220\" \/><p class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 6<\/p><\/div><\/li>\n<li><span style=\"font-family: Helvetica;\">\u039c\u03af\u03b1 \u03bc\u03b9\u03ba\u03c1\u03ae \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03ba\u03c1\u03ad\u03bc\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1 \u03bd\u03ae\u03bc\u03b1, \u03c4\u03b7\u03bd \u03ac\u03bb\u03bb\u03b7 \u03ac\u03ba\u03c1\u03b7 \u03c4\u03bf\u03c5 \u03bf\u03c0\u03bf\u03af\u03bf\u03c5 \u03ba\u03c1\u03b1\u03c4\u03bf\u03cd\u03bc\u03b5 \u03bc\u03b5 \u03c4\u03bf \u03c7\u03ad\u03c1\u03b9 \u03bc\u03b1\u03c2. \u039a\u03ac\u03c0\u03bf\u03b9\u03b1 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae \u03b1\u03c1\u03c7\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03bd\u03b1 \u03c4\u03c1\u03b1\u03b2\u03ac\u03bc\u03b5 \u03c4\u03bf \u03bd\u03ae\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b1\u03bd\u03b5\u03b2\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03b1 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03c0\u03ac\u03bd\u03c9. \u03a3\u03c4\u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03b1\u03c3\u03ba\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b4\u03cd\u03bf \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2: \u0397 \u03c4\u03ac\u03c3\u03b7 \u03a4 \u03c4\u03bf\u03c5 \u03bd\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03b2\u03ac\u03c1\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1\u03c2 w. \u0391\u03bd \u03b7 \u03c4\u03ac\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03a4=30\u039d \u03ba\u03b1\u03b9 \u03c4\u03bf \u03b2\u03ac\u03c1\u03bf\u03c2 w=20N, \u03bc\u03b5 \u03c0\u03bf\u03b9\u03b1 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b9\u03c2 \u03a4 \u03ba\u03b1\u03b9 w \u03ce\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1 \u03b5\u03c0\u03af \u03c4\u03b7\u03c2 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1\u03c2; \u03a5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03b1\u03c5\u03c4\u03ae \u03ba\u03b1\u03b9 \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03c3\u03c4\u03b5 \u03c4\u03bf \u03b4\u03b9\u03ac\u03bd\u03c5\u03c3\u03bc\u03ac \u03c4\u03b7\u03c2 \u03c3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1 \u0392. <\/span>\n<p><div style=\"width: 293px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" id=\"img4f273529-d897-45ef-ba50-13b3c2e12abc\" style=\"height: 248px; width: 283px;\" src=\"https:\/\/lh6.googleusercontent.com\/-RXEIgJ1DUKA\/UMN_O4833sI\/AAAAAAAABWs\/Bpww4RkNgu0\/%25255BUNSET%25255D.jpg\" alt=\"\" width=\"283\" height=\"248\" \/><p class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 7<\/p><\/div><\/li>\n<li><span style=\"font-family: Helvetica;\">\u03a3\u03c4\u03bf \u03c3\u03c7\u03ae\u03bc\u03b1 \u0391 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 F \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03bc\u03af\u03b1 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1, \u03b5\u03bd\u03ce \u03c3\u03c4\u03bf \u0392 \u03ad\u03c7\u03b5\u03b9 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03c4\u03bf \u03b4\u03b9\u03ac\u03bd\u03c5\u03c3\u03bc\u03b1 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03bd\u03b9\u03c3\u03c4\u03b1\u03bc\u03ad\u03bd\u03b7\u03c2 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1. \u03a0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b1 \u0391 \u03ba\u03b1\u03b9 \u0392 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03c4\u03b5 \u03b1\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03ba\u03b9 \u03ac\u03bb\u03bb\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03bf\u03c5 \u03bd\u03b1 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03c0\u03b9\u03ac\u03bd\u03c9 \u03c3\u03c4\u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1. \u039a\u03b1\u03b9 \u03b1\u03bd \u03bd\u03b1\u03b9 \u03bd\u03b1 \u03c4\u03b7\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03c4\u03b5 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03c4\u03b7 \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03c3\u03b5\u03c4\u03b5.\u00a0 \u00a0 <\/span>\n<p><div style=\"width: 410px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" id=\"imgaa3a9f62-9aee-45c1-a0f4-6d4bc55be71e\" style=\"height: 76px; left: 2065px; opacity: 1; top: 98px; width: 293px;\" src=\"https:\/\/lh6.googleusercontent.com\/-nG7irRs84dE\/UMN_QB-uYdI\/AAAAAAAABW0\/UVlw9ZdmmHI\/%25255BUNSET%25255D.jpg\" alt=\"\" width=\"400\" height=\"105\" \/><p class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 8<\/p><\/div><\/li>\n<li><span style=\"font-family: Helvetica;\">\u0399\u03b4\u03b9\u03b1 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03ac\u03c3\u03ba\u03b7\u03c3\u03b7 8, \u03b1\u03bb\u03bb\u03ac \u03c4\u03ce\u03c1\u03b1 \u03b7 \u03c3\u03c5\u03bd\u03b9\u03c3\u03c4\u03b1\u03bc\u03ad\u03bd\u03b7 \u03ad\u03c7\u03b5\u03b9 \u03b1\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b7 \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7.<\/span>\n<p><div style=\"width: 410px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" id=\"img619376ea-9cba-4772-a6be-433d5f6f31a5\" style=\"height: 77px; left: 212px; opacity: 1; top: 985px; width: 304px;\" src=\"https:\/\/lh5.googleusercontent.com\/-zk0Qx1UC12U\/UMN_RDNp4kI\/AAAAAAAABW8\/LDLJXquekmI\/%25255BUNSET%25255D.jpg\" alt=\"\" width=\"400\" height=\"103\" \/><p class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 9<\/p><\/div><\/li>\n<li><span style=\"-webkit-composition-fill-color: rgba(175, 192, 227, 0.230469); -webkit-composition-frame-color: rgba(77, 128, 180, 0.230469); -webkit-tap-highlight-color: rgba(26, 26, 26, 0.296875); -webkit-text-size-adjust: auto; font-family: Helvetica;\">\u03a3\u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03c7\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03bc\u03af\u03b1 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 F=40\u039d \u03c0\u03bf\u03c5 \u03c4\u03bf \u03ba\u03b9\u03bd\u03b5\u03af \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03b4\u03b5\u03be\u03b9\u03ac, \u03cc\u03c0\u03c9\u03c2 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c4\u03bf \u03b2\u03ad\u03bb\u03bf\u03c2. \u0397 \u03c4\u03c1\u03b9\u03b2\u03ae \u03c0\u03bf\u03c5 \u03b1\u03bd\u03b1\u03c0\u03c4\u03cd\u03c3\u03c3\u03b5\u03c4\u03b1\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 T=20\u039d, \u03b5\u03bd\u03ce \u03c4\u03bf \u03b2\u03ac\u03c1\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 w=50N \u03ba\u03b1\u03b9 \u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c4\u03bf\u03c5 \u03b4\u03b1\u03c0\u03ad\u03b4\u03bf\u03c5 \u03b5\u03c0\u03af \u03c4\u03bf\u03c5 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 N=50N. \u039c\u03b5 \u03ba\u03bb\u03af\u03bc\u03b1\u03ba\u03b1 \u03c0\u03bf\u03c5 \u03b8\u03b1 \u03b5\u03c0\u03b9\u03bb\u03ad\u03be\u03b5\u03c4\u03b5 \u03b5\u03c3\u03b5\u03af\u03c2 \u03ba\u03b1\u03b9 \u03b8\u03b1 \u03c4\u03b7\u03bd \u03b1\u03bd\u03b1\u03b3\u03c1\u03ac\u03c8\u03b5\u03c4\u03b5, \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03c3\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03c4\u03ad\u03c3\u03c3\u03b5\u03c1\u03b9\u03c2 \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03ba\u03b1\u03c4\u03cc\u03c0\u03b9\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03c4\u03b5 a) \u03c4\u03b7 \u03c3\u03c5\u03bd\u03b9\u03c3\u03c4\u03b1\u03bc\u03ad\u03bd\u03b7 \u03c4\u03c9\u03bd \u03b4\u03cd\u03bf \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03c9\u03bd \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03c9\u03bd \u03ba\u03b1\u03b9 b) \u03c4\u03b7 \u03c3\u03c5\u03bd\u03b9\u03c3\u03c4\u03b1\u03bc\u03ad\u03bd\u03b7 \u03c4\u03c9\u03bd \u03b4\u03cd\u03bf \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03c9\u03bd. \u03a3\u03b5 \u03be\u03b5\u03c7\u03c9\u03c1\u03b9\u03c3\u03c4\u03cc \u03c3\u03c7\u03ae\u03bc\u03b1 \u03bd\u03b1 \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03b4\u03cd\u03bf \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b1\u03c4\u03b5. \u03a0\u03cc\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c3\u03c5\u03bd\u03b9\u03c3\u03c4\u03b1\u03bc\u03ad\u03bd\u03b7 \u03c4\u03c9\u03bd \u03b4\u03cd\u03bf \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03c9\u03bd \u03c3\u03c4\u03bf \u03c4\u03b5\u03bb\u03b9\u03ba\u03cc \u03c3\u03b1\u03c2 \u03c3\u03c7\u03ae\u03bc\u03b1; \u00a0\u00a0 <\/span>\n<p><div style=\"width: 314px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" id=\"img020da384-b470-408b-b903-debb02fd96e4\" style=\"left: 191px; opacity: 1; top: 130px;\" src=\"https:\/\/lh4.googleusercontent.com\/-VMbiXNMNw4Y\/UMN_SF1gtqI\/AAAAAAAABXE\/gaSHcGoW6eM\/%25255BUNSET%25255D.jpg\" alt=\"\" width=\"304\" height=\"162\" \/><p class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 10<\/p><\/div><\/li>\n<li><span style=\"font-family: Helvetica;\">\u0395\u03c0\u03b9\u03bb\u03ad\u03be\u03c4\u03b5 \u03c4\u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7: \u0391\u03bd \u03c0\u03ac\u03bd\u03c9 \u03c3&#8217; \u03ad\u03bd\u03b1 \u03c3\u03ce\u03bc\u03b1 \u03b1\u03c3\u03ba\u03b7\u03b8\u03bf\u03cd\u03bd \u03b4\u03cd\u03bf \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2 \u03ba\u03ac\u03b8\u03b5\u03c4\u03b5\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5\u03c2, \u03c4\u03cc\u03c4\u03b5 \u03c4\u03bf \u03bc\u03ad\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2 \u03c3\u03c5\u03bd\u03b9\u03c3\u03c4\u03b1\u03bc\u03ad\u03bd\u03b7\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9<\/span>\n<ol>\n<li><span style=\"font-family: Helvetica;\">\u03af\u03c3\u03bf \u03bc\u03b5 \u03c4\u03bf \u03ac\u03b8\u03c1\u03bf\u03b9\u03c3\u03bc\u03ac \u03c4\u03c9\u03bd \u03bc\u03ad\u03c4\u03c1\u03c9\u03bd \u03c4\u03c9\u03bd \u03b4\u03cd\u03bf \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03c9\u03bd.<\/span><\/li>\n<li><span style=\"font-family: Helvetica;\">\u03c0\u03ac\u03bd\u03c4\u03b1 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf \u03b1\u03c0\u03cc \u03c4\u03bf \u03bc\u03ad\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2 \u03ba\u03ac\u03b8\u03b5 \u03bc\u03b9\u03b1\u03c2 \u03b5\u03c0\u03af \u03bc\u03ad\u03c1\u03bf\u03c5\u03c2 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2.<\/span><\/li>\n<li><span style=\"font-family: Helvetica;\">\u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03b7\u03c2 \u03c4\u03b9\u03bc\u03ae\u03c2 \u03c4\u03c9\u03bd \u03b4\u03cd\u03bf \u03b5\u03c0\u03af \u03bc\u03ad\u03c1\u03bf\u03c5\u03c2 \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03c9\u03bd.<\/span><\/li>\n<li><span style=\"font-family: Helvetica;\">\u03af\u03c3\u03bf \u03bc\u03b5 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03c4\u03c9\u03bd \u03bc\u03ad\u03c4\u03c1\u03c9\u03bd \u03c4\u03c9\u03bd \u03b4\u03cd\u03bf \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03c9\u03bd.<\/span><\/li>\n<\/ol>\n<\/li>\n<li><span style=\"-webkit-text-size-adjust: auto; background-color: rgba(255, 255, 255, 0);\"><span style=\"font-family: Helvetica;\">\u03a5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03c4\u03b5 \u03ba\u03b1\u03b9 \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03c3\u03c4\u03b5 \u03c3\u03b5 \u03c7\u03c9\u03c1\u03b9\u03c3\u03c4\u03cc \u03c3\u03c7\u03ae\u03bc\u03b1 \u03bc\u03cc\u03bd\u03bf \u03c4\u03b7 \u03c3\u03c5\u03bd\u03b9\u03c3\u03c4\u03b1\u03bc\u03ad\u03bd\u03b7 \u03c4\u03c9\u03bd \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03c9\u03bd F<span style=\"font-size: x-small;\">1<\/span>=40\u039d \u03ba\u03b1\u03b9 F<span style=\"font-size: x-small;\">2<\/span>=30N \u03c3\u03c4\u03b7\u03bd \u03c0\u03b5\u03c1\u03af\u03c0\u03c4\u03c9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1\u03c2.<br \/>\n<\/span><\/span><\/p>\n<p><div style=\"width: 361px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" id=\"img41febcf1-c435-4738-a908-9e7cd2cefc7f\" style=\"left: 213px; opacity: 1; top: 1245px;\" src=\"https:\/\/lh3.googleusercontent.com\/-12P_KWNabL4\/UMN_TbDG4lI\/AAAAAAAABXM\/PNPwfOkNswE\/%25255BUNSET%25255D.jpg\" alt=\"\" width=\"351\" height=\"161\" \/><p class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 12<\/p><\/div><\/li>\n<li><span style=\"-webkit-text-size-adjust: auto; background-color: rgba(255, 255, 255, 0);\"><span style=\"font-family: Helvetica;\">\u039c\u03b5 \u03ba\u03bb\u03af\u03bc\u03b1\u03ba\u03b1 20\u039d\/1cm \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03c3\u03c4\u03b5 \u03b4\u03cd\u03bf \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2 F<span style=\"font-size: xx-small;\">1<\/span>=80\u039d \u03ba\u03b1\u03b9 F<span style=\"font-size: xx-small;\">2<\/span>=60N, \u03ba\u03ac\u03b8\u03b5\u03c4\u03b5\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b5 \u03ba\u03bf\u03b9\u03bd\u03cc \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03ba\u03b1\u03c4\u03cc\u03c0\u03b9\u03bd \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03c3\u03c4\u03b5 \u03c4\u03b7 \u03c3\u03c5\u03bd\u03b9\u03c3\u03c4\u03b1\u03bc\u03ad\u03bd\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7. \u039c\u03b5\u03c4\u03c1\u03ae\u03c3\u03c4\u03b5 \u03c4\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03bd\u03b9\u03c3\u03c4\u03b1\u03bc\u03ad\u03bd\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b7 \u03b2\u03bf\u03ae\u03b8\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03ba\u03bb\u03af\u03bc\u03b1\u03ba\u03b1\u03c2 \u03b2\u03c1\u03b5\u03af\u03c4\u03b5 \u03c4\u03bf \u03bc\u03ad\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2. \u03a4\u03ad\u03bb\u03bf\u03c2, \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03c4\u03b5 \u03bc\u03b5 \u03b1\u03bb\u03b3\u03b5\u03b2\u03c1\u03b9\u03ba\u03cc \u03c4\u03c1\u03cc\u03c0\u03bf \u03c4\u03bf \u03bc\u03ad\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2 \u03c3\u03c5\u03bd\u03b9\u03c3\u03c4\u03b1\u03bc\u03ad\u03bd\u03b7\u03c2.<\/span><\/span><\/li>\n<li><span style=\"-webkit-text-size-adjust: auto; background-color: rgba(255, 255, 255, 0);\"><span style=\"font-family: Helvetica;\">\u03a3\u03c4\u03bf \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c3\u03c7\u03ae\u03bc\u03b1 \u03b5\u03ba\u03c4\u03b5\u03bb\u03ad\u03c3\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03b5\u03be\u03ae\u03c2 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b5\u03c2:\u00a0<\/span><\/span>\n<ol>\n<li><span style=\"-webkit-text-size-adjust: auto; background-color: rgba(255, 255, 255, 0);\"><span style=\"font-family: Helvetica;\">\u039c\u03b5\u03c4\u03c1\u03ae\u03c3\u03c4\u03b5 \u03c4\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03b9\u03b1\u03bd\u03cd\u03c3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2 F<span style=\"font-size: xx-small;\">1<\/span>\u00a0\u03ba\u03b1\u03b9 \u03b2\u03c1\u03b5\u03af\u03c4\u03b5 \u03c4\u03b7\u03bd \u03ba\u03bb\u03af\u03bc\u03b1\u03ba\u03b1 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03bf\u03cd \u03c4\u03c9\u03bd \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03c9\u03bd.<\/span><\/span><\/li>\n<li><span style=\"-webkit-text-size-adjust: auto; background-color: rgba(255, 255, 255, 0);\"><span style=\"font-family: Helvetica;\">\u039c\u03b5 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03b7\u03bd \u03ba\u03bb\u03af\u03bc\u03b1\u03ba\u03b1 \u03c0\u03bf\u03c5 \u03b2\u03c1\u03ae\u03ba\u03b1\u03c4\u03b5 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03c4\u03b5 \u03c4\u03bf \u03bc\u03ad\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2 F<span style=\"font-size: xx-small;\">2<\/span>.<\/span><\/span><\/li>\n<li><span style=\"-webkit-text-size-adjust: auto; background-color: rgba(255, 255, 255, 0);\"><span style=\"font-family: Helvetica;\">\u03a3\u03c7\u03b5\u03b4\u03b9\u03ac\u03c3\u03c4\u03b5 \u03c4\u03b7 \u03c3\u03c5\u03bd\u03b9\u03c3\u03c4\u03b1\u03bc\u03ad\u03bd\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 F<span style=\"font-size: xx-small;\">\u03bf\u03bb<\/span>.<\/span><\/span><\/li>\n<li><span style=\"-webkit-text-size-adjust: auto; background-color: rgba(255, 255, 255, 0);\"><span style=\"font-family: Helvetica;\">\u039c\u03b5\u03c4\u03c1\u03ae\u03c3\u03c4\u03b5 \u03c4\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03bd\u03b9\u03c3\u03c4\u03b1\u03bc\u03ad\u03bd\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b7 \u03b2\u03bf\u03ae\u03b8\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03ba\u03bb\u03af\u03bc\u03b1\u03ba\u03b1\u03c2 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03c4\u03b5 \u03c4\u03bf \u03bc\u03ad\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2.\u00a0 <\/span><\/span>\n<p><div style=\"width: 284px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" id=\"img43fe45d9-40f2-4ece-8219-df72a56037aa\" style=\"opacity: 1;\" src=\"https:\/\/lh4.googleusercontent.com\/-a8sONCm43mw\/UMN_UEgsavI\/AAAAAAAABXU\/hbEMfrWg0_4\/%25255BUNSET%25255D.jpg\" alt=\"\" width=\"274\" height=\"169\" \/><p class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 4<\/p><\/div><\/li>\n<\/ol>\n<\/li>\n<li><span style=\"font-family: Helvetica;\">\u0395\u03c0\u03b9\u03bb\u03ad\u03be\u03c4\u03b5 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03b7 \u03ba\u03bb\u03af\u03bc\u03b1\u03ba\u03b1 \u03ba\u03b1\u03b9 \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03c3\u03c4\u03b5 \u03c4\u03b1 \u03b4\u03b9\u03b1\u03bd\u03cd\u03c3\u03bc\u03b1\u03c4\u03b1 \u03b4\u03cd\u03bf \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03c9\u03bd F<\/span><span style=\"font-family: Helvetica; font-size: xx-small;\">1<\/span><span style=\"font-family: Helvetica;\">=30\u039d \u03ba\u03b1\u03b9 F<\/span><span style=\"font-family: Helvetica; font-size: xx-small;\">2<\/span><span style=\"font-family: Helvetica;\">=50N, \u03bc\u03b5 \u03ba\u03bf\u03b9\u03bd\u03cc \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03b4\u03b9\u03b5\u03c5\u03b8\u03cd\u03bd\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03bd\u03b1 \u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03af\u03b6\u03bf\u03c5\u03bd \u03b3\u03c9\u03bd\u03af\u03b1 30 \u03bc\u03bf\u03b9\u03c1\u03ce\u03bd. \u039a\u03b1\u03c4\u03cc\u03c0\u03b9\u03bd, \u03bc\u03b5 \u03c4\u03b7 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf \u03c4\u03bf\u03c5 \u03c0\u03b1\u03c1\u03b1\u03bb\u03bb\u03b7\u03bb\u03cc\u03b3\u03c1\u03b1\u03bc\u03bc\u03bf\u03c5, \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03c3\u03c4\u03b5 \u03bc\u03b5 \u03b1\u03ba\u03c1\u03af\u03b2\u03b5\u03b9\u03b1 \u03c4\u03b7 \u03c3\u03c5\u03bd\u03b9\u03c3\u03c4\u03b1\u03bc\u03ad\u03bd\u03b7 \u03c4\u03c9\u03bd \u03b4\u03cd\u03bf \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03c9\u03bd, \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03c4\u03b5 \u03c4\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03c4\u03b5 \u03c4\u03bf \u03bc\u03ad\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2.<\/span><i><span style=\"font-family: Helvetica;\"> ( <\/span><span style=\"font-family: Times New Roman;\">\u03a5\u03c0\u03cc\u03b4\u03b5\u03b9\u03be\u03b7: \u0397 \u03b5\u03c0\u03b9\u03c4\u03c5\u03c7\u03af\u03b1 \u03c4\u03bf\u03c5 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03ba\u03c1\u03af\u03b2\u03b5\u03b9\u03b1 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03bf\u03c0\u03bf\u03af\u03b1 \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03c0\u03b1\u03c1\u03b1\u03bb\u03bb\u03b7\u03bb\u03cc\u03b3\u03c1\u03b1\u03bc\u03bc\u03bf \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03cd\u03c1\u03b5\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03bd\u03b9\u03c3\u03c4\u03b1\u03bc\u03ad\u03bd\u03b7\u03c2 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2. \u0395\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03ad\u03be\u03b5\u03c4\u03b5 \u03bd\u03b1 \u03c6\u03ad\u03c1\u03b5\u03c4\u03b5 \u03cc\u03c3\u03bf \u03c4\u03bf \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03bd \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b5\u03c2 \u03c0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b5\u03c2 \u03b5\u03c5\u03b8\u03b5\u03af\u03b5\u03c2<\/span><span style=\"font-family: Helvetica;\">.)<\/span><\/i><\/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=\"ma&#105;&#x6c;&#x74;&#x6f;&#x3a;ga&#105;&#115;&#x69;&#x64;&#x69;s&#64;v&#105;&#x65;&#x77;&#x6f;nph&#121;&#x73;&#x69;&#x63;s.g&#114;\">&#x67;&#x61;&#x69;&#x73;&#x69;&#x64;&#x69;&#x73;&#x40;&#x76;&#x69;&#x65;&#x77;&#x6f;&#x6e;&#x70;&#x68;&#x79;&#x73;&#x69;&#x63;&#x73;&#x2e;&#x67;&#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>\u0395\u03c0\u03b9\u03bb\u03ad\u03be\u03c4\u03b5 \u03c4\u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7: \u0397 \u03c3\u03c5\u03bd\u03b9\u03c3\u03c4\u03b1\u03bc\u03ad\u03bd\u03b7 \u03b4\u03cd\u03bf\u00a0\u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03c9\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03af\u03b1 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03bf\u03c5 \u03ad\u03c7\u03b5\u03b9 \u03bc\u03ad\u03c4\u03c1\u03bf \u03af\u03c3\u03bf \u03bc\u03b5 \u03c4\u03bf \u03ac\u03b8\u03c1\u03bf\u03b9\u03c3\u03bc\u03b1 \u03c4\u03c9\u03bd \u03bc\u03ad\u03c4\u03c1\u03c9\u03bd \u03c4\u03c9\u03bd \u03b4\u03cd\u03bf \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03c9\u03bd. \u03ad\u03c7\u03b5\u03b9 \u03bc\u03ad\u03c4\u03c1\u03bf \u03c0\u03ac\u03bd\u03c4\u03b1 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf \u03b1\u03c0\u03cc \u03c4\u03bf \u03bc\u03ad\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2 \u03ba\u03ac\u03b8\u03b5 \u03b5\u03c0\u03af \u03bc\u03ad\u03c1\u03bf\u03c5\u03c2 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2. \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03bc\u03b1\u03b6\u03af \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03ac\u03bb\u03bb\u03b5\u03c2 \u03b4\u03cd\u03bf \u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03bf \u03c3\u03ce\u03bc\u03b1. \u03b4\u03b5\u03bd \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c3\u03ce\u03bc\u03b1, \u03b1\u03bb\u03bb\u03ac \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ae\u03c3\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03ac\u03bb\u03bb\u03b5\u03c2 \u03b4\u03cd\u03bf \u03ba\u03b1\u03b9 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4062,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_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":[6,3],"tags":[13],"class_list":["post-46","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-6","category-3","tag-13"],"jetpack_featured_media_url":"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/11\/\u0399\u03c3\u03bf\u03c1\u03c1\u03bf\u03c0\u03af\u03b1.jpg","jetpack_shortlink":"https:\/\/wp.me\/p4sIra-K","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=\/wp\/v2\/posts\/46","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=46"}],"version-history":[{"count":9,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=\/wp\/v2\/posts\/46\/revisions"}],"predecessor-version":[{"id":6986,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=\/wp\/v2\/posts\/46\/revisions\/6986"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=\/wp\/v2\/media\/4062"}],"wp:attachment":[{"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=46"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=46"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=46"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}