{"id":1302,"date":"2014-04-10T16:47:41","date_gmt":"2014-04-10T14:47:41","guid":{"rendered":"http:\/\/viewonphysics.gr\/?p=1302"},"modified":"2014-04-14T19:16:51","modified_gmt":"2014-04-14T17:16:51","slug":"1%ce%bf-%ce%ba%cf%81%ce%b9%cf%84%ce%ae%cf%81%ce%b9%ce%bf-online-%cf%83%cf%84%ce%b7-%cf%8d%ce%bb%ce%b7-%ce%b2-%ce%b3%cf%85%ce%bc%ce%bd%ce%b1%cf%83%ce%af%ce%bf%cf%85","status":"publish","type":"post","link":"https:\/\/viewonphysics.gr\/?p=1302","title":{"rendered":"1\u03bf \u039a\u03c1\u03b9\u03c4\u03ae\u03c1\u03b9\u03bf Online \u03c3\u03c4\u03b7\u03bd \u03cd\u03bb\u03b7 \u0392\u00b4 \u0393\u03c5\u03bc\u03bd\u03b1\u03c3\u03af\u03bf\u03c5"},"content":{"rendered":"<script type=\"text\/javascript\" >\ndocument.addEventListener(\"DOMContentLoaded\", function(event) { \nif(!window.jQuery) alert(\"The important jQuery library is not properly loaded in your site. Your WordPress theme is probably missing the essential wp_head() call. You can switch to another theme and you will see that the plugin works fine and this notice disappears. If you are still not sure what to do you can contact us for help.\");\n});\n<\/script>  \n  \n<div  id=\"watupro_quiz\" class=\"quiz-area single-page-quiz\">\n<p id=\"submittingExam5\" style=\"display:none;text-align:center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\"><\/p>\n\n<div class=\"watupro-exam-description\" id=\"description-quiz-5\"><p>\u0391\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b5 \u03c3\u03c4\u03b9\u03c2 10 \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03bf\u03cd\u03bd \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03cc\u03bb\u03b7 \u03c4\u03b7\u03bd \u03cd\u03bb\u03b7 (\u03bc\u03ad\u03c3\u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 - \u03b4\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ae\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2) \u03c4\u03b7\u03c2 \u0392\u00b4 \u0393\u03c5\u03bc\u03bd\u03b1\u03c3\u03af\u03bf\u03c5.<\/p>\n<p>\u038c\u03c4\u03b1\u03bd \u03bf\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c0\u03ac\u03c4\u03b7\u03c3\u03b5 \"\u0391\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1\" \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b5\u03b9\u03c2 \u03c4\u03b7\u03bd \u03b5\u03c0\u03af\u03b4\u03bf\u03c3\u03ae \u03c3\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03bc\u03b5 \u03c4\u03b7 \u03b4\u03b9\u03ba\u03b1\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03ae \u03c4\u03bf\u03c5\u03c2.<\/p>\n<\/div>\n\n<form action=\"\" method=\"post\" class=\"quiz-form\" id=\"quiz-5\"  enctype=\"multipart\/form-data\" >\n<div class='watu-question ' id='question-1' style=';'><div id='questionWrap-1'  class='   watupro-question-id-42'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>1. <\/span>\u03a3\u03b7\u03bc\u03b5\u03b9\u03ce\u03c3\u03c4\u03b5 \u03c0\u03bf\u03b9\u03b5\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2.<\/div><input type='hidden' name='question_id[]' id='qID_1' value='42' \/><input type='hidden' id='answerType42' value='checkbox'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-42[]' id='answer-id-146' class='answer   answerof-42 watupro_max_selections-4' value='146'  onclick='return WatuPRO.maxSelections(42,4, this);' \/><label for='answer-id-146' id='answer-label-146' class=' answer'><span>\u0397 \u03bc\u03ad\u03c3\u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c4\u03b1\u03c5\u03c4\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b7 \u03c3\u03c4\u03b9\u03b3\u03bc\u03b9\u03b1\u03af\u03b1 \u03bc\u03cc\u03bd\u03bf \u03cc\u03c4\u03b1\u03bd \u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03c3\u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7\u03c2.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-42[]' id='answer-id-147' class='answer   answerof-42 watupro_max_selections-4' value='147'  onclick='return WatuPRO.maxSelections(42,4, this);' \/><label for='answer-id-147' id='answer-label-147' class=' answer'><span>\u0397 \u03bc\u03ad\u03c3\u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03b4\u03b5\u03bd \u03bc\u03b1\u03c2 \u03b4\u03af\u03bd\u03b5\u03b9 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c4\u03bf\u03bd \u03c4\u03c1\u03cc\u03c0\u03bf \u03c0\u03bf\u03c5 \u03ba\u03b9\u03bd\u03ae\u03b8\u03b7\u03ba\u03b5 \u03c4\u03bf \u03ba\u03b9\u03bd\u03b7\u03c4\u03cc \u03c3\u03c4\u03bf \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03cc \u03b4\u03b9\u03ac\u03c3\u03c4\u03b7\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03c0\u03ae\u03c1\u03b1\u03bc\u03b5.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-42[]' id='answer-id-148' class='answer   answerof-42 watupro_max_selections-4' value='148'  onclick='return WatuPRO.maxSelections(42,4, this);' \/><label for='answer-id-148' id='answer-label-148' class=' answer'><span>\u0388\u03bd\u03b1 \u03ba\u03b9\u03bd\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf \u03c3\u03ce\u03bc\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7 \u03bc\u03ad\u03c3\u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1 \u03ac\u03bb\u03bb\u03bf, \u03b1\u03bd \u03c3\u03c4\u03bf\u03bd \u03af\u03b4\u03b9\u03bf \u03c7\u03c1\u03cc\u03bd\u03bf \u03b4\u03b9\u03b1\u03bd\u03cd\u03c3\u03b5\u03b9 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03bf \u03b4\u03b9\u03ac\u03c3\u03c4\u03b7\u03bc\u03b1.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-42[]' id='answer-id-149' class='answer   answerof-42 watupro_max_selections-4' value='149'  onclick='return WatuPRO.maxSelections(42,4, this);' \/><label for='answer-id-149' id='answer-label-149' class=' answer'><span>\u038c\u03c4\u03b1\u03bd \u03ba\u03bf\u03b9\u03c4\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03ad\u03bd\u03b4\u03b5\u03b9\u03be\u03b7 \u03c4\u03bf\u03c5 \u03c4\u03b1\u03c7\u03cd\u03bc\u03b5\u03c4\u03c1\u03bf\u03c5 \u03b5\u03bd\u03cc\u03c2 \u03b1\u03c5\u03c4\u03bf\u03ba\u03b9\u03bd\u03ae\u03c4\u03bf\u03c5, \u03b2\u03bb\u03ad\u03c0\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7 \u03c3\u03c4\u03b9\u03b3\u03bc\u03b9\u03b1\u03af\u03b1 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-2' style=';'><div id='questionWrap-2'  class='   watupro-question-id-43'>\n\t\t\t<div class='question-content'><p><span class='watupro_num'>2. <\/span>\u03a3\u03c5\u03bc\u03c0\u03bb\u03ae\u03c1\u03c9\u03c3\u03b5 \u03c4\u03b1 \u03ba\u03b5\u03bd\u03ac \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03b5\u03c2 \u03bb\u03ad\u03be\u03b5\u03b9\u03c2.<\/p>\n<p>\u039c\u03af\u03b1 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03ad\u03c3\u03b5\u03b9 \u03c4\u03b7\u03bd <input type=\"text\" size=\"10\" name=\"gap_43_1\" class=\"watupro-gap answer answerof-43\" value=\"\"   > \u03c4\u03bf\u03c5 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c3\u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03ae \u03bd\u03b1 \u03c4\u03bf\u03c5 <input type=\"text\" size=\"10\" name=\"gap_43_2\" class=\"watupro-gap answer answerof-43\" value=\"\"   > \u03c4\u03b7\u03bd \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03ac \u03c4\u03bf\u03c5. \u03a3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03bf\u03bd \u039d\u03b5\u03cd\u03c4\u03c9\u03bd\u03b1, \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03b4\u03cd\u03bf \u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03bd \u03bf\u03b9 \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2 \u03b5\u03bc\u03c6\u03b1\u03bd\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03bd\u03ac <input type=\"text\" size=\"10\" name=\"gap_43_3\" class=\"watupro-gap answer answerof-43\" value=\"\"   >, \u03b3\u03b9 \u03b1\u03c5\u03c4\u03cc \u03bb\u03ad\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03c4\u03b1 \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1 <input type=\"text\" size=\"10\" name=\"gap_43_4\" class=\"watupro-gap answer answerof-43\" value=\"\"   >.<\/p>\n<input type='hidden' name='question_id[]' id='qID_2' value='43' \/><input type='hidden' id='answerType43' value='gaps'><!-- end question-content--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-3' style=';'><div id='questionWrap-3'  class='   watupro-question-id-44'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>3. <\/span>\u039f\u03b9 \u03b4\u03cd\u03bf \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2 F<sub>1<\/sub> \u03ba\u03b1\u03b9 F<sub>2<\/sub> \u03b1\u03c3\u03ba\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03b5\u03bd\u03cc\u03c2 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03af\u03b6\u03bf\u03c5\u03bd \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5\u03c2 \u03b3\u03c9\u03bd\u03af\u03b1. \u03a0\u03bf\u03b9\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c4\u03ad\u03c3\u03c3\u03b5\u03c1\u03b1 \u03b4\u03b9\u03b1\u03bd\u03cd\u03c3\u03bc\u03b1\u03c4\u03b1 \u0391,\u0392,\u0393 \u03ae \u0394 \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 \u03b4\u03cd\u03bf \u03b1\u03c5\u03c4\u03ad\u03c2 \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03c6\u03ad\u03c1\u03b5\u03b9 \u03c4\u03b1 \u03af\u03b4\u03b9\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1;<br \/>\r\n<br \/>\r\n<div id=\"attachment_1297\" style=\"width: 171px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image10.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1297\" class=\" wp-image-1297\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image10-174x300.jpg\" alt=\"image\" width=\"161\" height=\"278\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image10-174x300.jpg 174w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image10-595x1024.jpg 595w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image10.jpg 808w\" sizes=\"auto, (max-width: 161px) 100vw, 161px\" \/><\/a><p id=\"caption-attachment-1297\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 3<\/p><\/div><\/div><input type='hidden' name='question_id[]' id='qID_3' value='44' \/><input type='hidden' id='answerType44' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-44[]' id='answer-id-150' class='answer   answerof-44 ' value='150'   \/><label for='answer-id-150' id='answer-label-150' class=' answer'><span>\u0391<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-44[]' id='answer-id-151' class='answer   answerof-44 ' value='151'   \/><label for='answer-id-151' id='answer-label-151' class=' answer'><span>\u0392<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-44[]' id='answer-id-152' class='answer   answerof-44 ' value='152'   \/><label for='answer-id-152' id='answer-label-152' class=' answer'><span>\u0393<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-44[]' id='answer-id-153' class='answer   answerof-44 ' value='153'   \/><label for='answer-id-153' id='answer-label-153' class=' answer'><span>\u0394<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-4' style=';'><div id='questionWrap-4'  class='   watupro-question-id-45'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>4. <\/span>\u03a0\u03bf\u03b9\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2 \u0391,\u0392,\u0393 \u03ae \u0394 \u03b8\u03b1 \u03b5\u03c0\u03b9\u03bb\u03ad\u03be\u03b5\u03b9\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b9\u03c3\u03bf\u03c1\u03c1\u03bf\u03c0\u03ae\u03c3\u03b5\u03b9 \u03c4\u03b9\u03c2 F<sub>1<\/sub> \u03ba\u03b1\u03b9 F<sub>2<\/sub> \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u039f;<br \/>\r\n<br \/>\r\n<div id=\"attachment_1306\" style=\"width: 217px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image6.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1306\" class=\" wp-image-1306 \" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image6-270x300.jpg\" alt=\"image\" width=\"207\" height=\"230\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image6-270x300.jpg 270w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image6-921x1024.jpg 921w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image6.jpg 966w\" sizes=\"auto, (max-width: 207px) 100vw, 207px\" \/><\/a><p id=\"caption-attachment-1306\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 4<\/p><\/div><\/div><input type='hidden' name='question_id[]' id='qID_4' value='45' \/><input type='hidden' id='answerType45' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-45[]' id='answer-id-154' class='answer   answerof-45 ' value='154'   \/><label for='answer-id-154' id='answer-label-154' class=' answer'><span>\u0391<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-45[]' id='answer-id-155' class='answer   answerof-45 ' value='155'   \/><label for='answer-id-155' id='answer-label-155' class=' answer'><span>\u0392<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-45[]' id='answer-id-156' class='answer   answerof-45 ' value='156'   \/><label for='answer-id-156' id='answer-label-156' class=' answer'><span>\u0393<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-45[]' id='answer-id-157' class='answer   answerof-45 ' value='157'   \/><label for='answer-id-157' id='answer-label-157' class=' answer'><span>\u0394<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-5' style=';'><div id='questionWrap-5'  class='   watupro-question-id-46'>\n\t\t\t<div class='question-content'><span class='watupro_num'>5. <\/span>\u039b\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c5\u03c0\u03cc\u03c8\u03b7 \u03cc\u03c4\u03b9 \u03c4\u03bf \u03bd\u03b5\u03c1\u03cc \u03ad\u03c7\u03b5\u03b9 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 1000kg\/m<sup>3<\/sup> \u03ba\u03b1\u03b9 \u03c4\u03bf \u03bb\u03ac\u03b4\u03b9 900kg\/m<sup>3<\/sup> , \u03ba\u03b1\u03c4\u03b1\u03c4\u03ac\u03be\u03c4\u03b5 \u03c4\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u0391,\u0392,\u0393,\u0394 \u03ba\u03b1\u03b9 \u0395 \u03ba\u03b1\u03c4\u03ac \u03c3\u03b5\u03b9\u03c1\u03ac \u03c5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c0\u03af\u03b5\u03c3\u03b7\u03c2 \u03be\u03b5\u03ba\u03b9\u03bd\u03ce\u03bd\u03c4\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03c5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae \u03c0\u03af\u03b5\u03c3\u03b7 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b7 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7. \u0393\u03b9\u03b1 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03ac\u03c4\u03b1\u03be\u03b7 \u03c3\u03cd\u03c1\u03b5\u03c4\u03b5 \u03bc\u03b5 \u03c0\u03b1\u03c4\u03b7\u03bc\u03ad\u03bd\u03bf \u03c4\u03bf \u03b1\u03c1\u03b9\u03c3\u03c4\u03b5\u03c1\u03cc \u03ba\u03bb\u03b9\u03ba \u03c4\u03bf \u03b3\u03c1\u03ac\u03bc\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03b8\u03ad\u03bb\u03b5\u03c4\u03b5 \u03c3\u03c4\u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03b8\u03ad\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b1\u03c6\u03ae\u03c3\u03c4\u03b5 \u03c4\u03bf.<br \/>\r\n<br \/>\r\n<div id=\"attachment_3271\" style=\"width: 374px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/05\/image.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-3271\" class=\" wp-image-3271\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/05\/image-300x136.jpg\" alt=\"\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 5\" width=\"364\" height=\"165\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/05\/image-300x136.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/05\/image-1024x465.jpg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/05\/image.jpg 1913w\" sizes=\"auto, (max-width: 364px) 100vw, 364px\" \/><\/a><p id=\"caption-attachment-3271\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 5<\/p><\/div><!-- end question-content--><\/div><div class='question-choices watupro-sortable-choices'><ul id='watuPROSortable46' class='watupro-sortable '>\t\t\t\t\t\t<li id=\"watuPROSortable46_1\">\u0392<!--|||%CE%92--><\/li>\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<li id=\"watuPROSortable46_2\">\u0395<!--|||%CE%95--><\/li>\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<li id=\"watuPROSortable46_3\">\u0391<!--|||%CE%91--><\/li>\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<li id=\"watuPROSortable46_4\">\u0394<!--|||%CE%94--><\/li>\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<li id=\"watuPROSortable46_5\">\u0393<!--|||%CE%93--><\/li>\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t<\/ul><input type=\"hidden\" name=\"answer-46[]\" id=\"watuPROSortableValue46\" value=\"%CE%92%7C%CE%95%7C%CE%91%7C%CE%94%7C%CE%93%7C\" class=\"answer answerof-46\">\t\t\t\t\t\n\t\t\t\t\t<script type=\"text\/javascript\">\n\t\t\t\t\tdocument.addEventListener('DOMContentLoaded', function(event) {\n\t\t\t\t\t    jQuery( \"#watuPROSortable46\" ).sortable({\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\tstop: function(event, ui) { WatuPROSort.sortable(event, ui) }\t\t\t\t    \t\n\t\t\t\t\t    \t});\t\t\t\t\t    \n\t\t\t\t\t  });\n\t\t\t\t\t<\/script><\/div><!-- end question-choices--><input type='hidden' name='question_id[]' id='qID_5' value='46' \/><input type='hidden' id='answerType46' value='sort'><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-6' style=';'><div id='questionWrap-6'  class='   watupro-question-id-47'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>6. <\/span>\u03a0\u03c1\u03b9\u03bd \u03b2\u03c5\u03b8\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03c3\u03c4\u03bf \u03bd\u03b5\u03c1\u03cc \u03c4\u03b7 \u03b6\u03c5\u03b3\u03af\u03c3\u03b1\u03bc\u03b5 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03b2\u03ac\u03c1\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03b2\u03c1\u03ad\u03b8\u03b7\u03ba\u03b5 40N. \u039f \u03cc\u03b3\u03ba\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 1 \u03bb\u03af\u03c4\u03c1\u03bf \u03ba\u03b1\u03b9 \u03cc\u03c4\u03b1\u03bd \u03c4\u03b7 \u03b2\u03c5\u03b8\u03af\u03c3\u03bf\u03c5\u03bc\u03b5, \u03c3\u03c5\u03bb\u03bb\u03ad\u03b3\u03bf\u03c5\u03bc\u03b5 \u03c3\u03c4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u0392 \u03c4\u03bf \u03bd\u03b5\u03c1\u03cc \u03c0\u03bf\u03c5 \u03b5\u03ba\u03c4\u03bf\u03c0\u03af\u03b6\u03b5\u03b9. \u0388\u03c7\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c5\u03c0\u03cc\u03c8\u03b7 \u03cc\u03c4\u03b9 \u03b7 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd \u03b5\u03af\u03bd\u03b1\u03b9 1kg\/lt, \u03b5\u03c0\u03b9\u03bb\u03ad\u03be\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2.<br \/>\r\n<br \/>\r\n<div id=\"attachment_1312\" style=\"width: 285px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image11.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1312\" class=\" wp-image-1312\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image11-300x185.jpg\" alt=\"image\" width=\"275\" height=\"170\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image11-300x185.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image11-1024x634.jpg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image11.jpg 1098w\" sizes=\"auto, (max-width: 275px) 100vw, 275px\" \/><\/a><p id=\"caption-attachment-1312\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 6<\/p><\/div><\/div><input type='hidden' name='question_id[]' id='qID_6' value='47' \/><input type='hidden' id='answerType47' value='checkbox'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-47[]' id='answer-id-158' class='answer   answerof-47 watupro_max_selections-2' value='158'  onclick='return WatuPRO.maxSelections(47,2, this);' \/><label for='answer-id-158' id='answer-label-158' class=' answer'><span>\u0397 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03c7\u03ac\u03bd\u03b5\u03b9 \u03cc\u03bb\u03bf \u03c4\u03bf \u03b2\u03ac\u03c1\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03bf \u03bd\u03b5\u03c1\u03cc.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-47[]' id='answer-id-159' class='answer   answerof-47 watupro_max_selections-2' value='159'  onclick='return WatuPRO.maxSelections(47,2, this);' \/><label for='answer-id-159' id='answer-label-159' class=' answer'><span>\u0397 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u0391 \u03b6\u03c5\u03b3\u03af\u03b6\u03b5\u03b9 30\u039d.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-47[]' id='answer-id-160' class='answer   answerof-47 watupro_max_selections-2' value='160'  onclick='return WatuPRO.maxSelections(47,2, this);' \/><label for='answer-id-160' id='answer-label-160' class=' answer'><span>\u039f \u03cc\u03b3\u03ba\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd \u03c3\u03c4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u0392 \u03b5\u03af\u03bd\u03b1\u03b9 1lt.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-47[]' id='answer-id-161' class='answer   answerof-47 watupro_max_selections-2' value='161'  onclick='return WatuPRO.maxSelections(47,2, this);' \/><label for='answer-id-161' id='answer-label-161' class=' answer'><span>\u0397 \u03bc\u03ac\u03b6\u03b1 \u03c4\u03b7\u03c2 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1\u03c2 \u03bc\u03b5\u03b9\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u0391 \u03b3\u03b9\u03b1\u03c4\u03af \u03b1\u03c6\u03b1\u03b9\u03c1\u03b5\u03af\u03c4\u03b1\u03b9 \u03b7 \u03ac\u03bd\u03c9\u03c3\u03b7.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-7' style=';'><div id='questionWrap-7'  class='   watupro-question-id-48'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>7. <\/span>\u038c\u03c4\u03b1\u03bd \u03b2\u03c5\u03b8\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03bc\u03c0\u03ac\u03bb\u03b1 \u03c4\u03bf\u03c5 \u03bc\u03c0\u03ac\u03c3\u03ba\u03b5\u03c4 \u03c3\u03c4\u03bf \u03bd\u03b5\u03c1\u03cc, \u03b4\u03ad\u03c7\u03b5\u03c4\u03b1\u03b9 \u03ac\u03bd\u03c9\u03c3\u03b7 17\u039d. \u039b\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c5\u03c0\u03cc\u03c8\u03b7 \u03cc\u03c4\u03b9 \u03b7 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd \u03b5\u03af\u03bd\u03b1\u03b9 1000kg\/m<sup>3<\/sup> \u03ba\u03b1\u03b9 \u03b7 \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b2\u03b1\u03c1\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2 g=10m\/s<sup>2<\/sup> \u03ba\u03b1\u03b8\u03ce\u03c2 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03cc\u03c4\u03b9 1m<sup>3<\/sup>=1000lt, \u03c4\u03cc\u03c4\u03b5 \u03bf \u03cc\u03b3\u03ba\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03bc\u03c0\u03ac\u03bb\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9:<\/div><input type='hidden' name='question_id[]' id='qID_7' value='48' \/><input type='hidden' id='answerType48' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-48[]' id='answer-id-162' class='answer   answerof-48 ' value='162'   \/><label for='answer-id-162' id='answer-label-162' class=' answer'><span>1,7m<sup>3<\/sup><\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-48[]' id='answer-id-163' class='answer   answerof-48 ' value='163'   \/><label for='answer-id-163' id='answer-label-163' class=' answer'><span>0,17m<sup>3<\/sup><\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-48[]' id='answer-id-164' class='answer   answerof-48 ' value='164'   \/><label for='answer-id-164' id='answer-label-164' class=' answer'><span>0,17lt<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-48[]' id='answer-id-165' class='answer   answerof-48 ' value='165'   \/><label for='answer-id-165' id='answer-label-165' class=' answer'><span>1,7lt<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-8' style=';'><div id='questionWrap-8'  class='   watupro-question-id-49'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>8. <\/span>\u03a3\u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03c4\u03b7\u03c2 \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1\u03c2 \u03b1\u03c3\u03ba\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c4\u03ad\u03c3\u03c3\u03b5\u03c1\u03b9\u03c2 \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2: \u0397 F=60\u039d, \u03c4\u03bf \u03b2\u03ac\u03c1\u03bf\u03c2 W=30\u039d, \u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c4\u03bf\u03c5 \u03b4\u03b1\u03c0\u03ad\u03b4\u03bf\u03c5 \u039d \u03ba\u03b1\u03b9 \u03b7 \u03c4\u03c1\u03b9\u03b2\u03ae \u03a4=10\u039d. \u03a4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03bc\u03b5\u03c4\u03b1\u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03ba\u03b1\u03c4\u03ac 4m, \u03b5\u03be \u03b1\u03b9\u03c4\u03af\u03b1\u03c2 \u03c4\u03b7\u03c2 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2 F. \u03a0\u03bf\u03b9\u03b5\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2;<br \/>\r\n<br \/>\r\n<div id=\"attachment_1354\" style=\"width: 287px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image12.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1354\" class=\" wp-image-1354\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image12-300x199.jpg\" alt=\"image\" width=\"277\" height=\"183\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image12-300x199.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image12-1024x681.jpg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image12.jpg 1374w\" sizes=\"auto, (max-width: 277px) 100vw, 277px\" \/><\/a><p id=\"caption-attachment-1354\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 8<\/p><\/div><\/div><input type='hidden' name='question_id[]' id='qID_8' value='49' \/><input type='hidden' id='answerType49' value='checkbox'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-49[]' id='answer-id-166' class='answer   answerof-49 watupro_max_selections-2' value='166'  onclick='return WatuPRO.maxSelections(49,2, this);' \/><label for='answer-id-166' id='answer-label-166' class=' answer'><span>\u0397 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 W \u03c4\u03bf\u03c5 \u03b2\u03ac\u03c1\u03bf\u03c5\u03c2 \u03c0\u03b1\u03c1\u03ac\u03b3\u03b5\u03b9 \u03ad\u03c1\u03b3\u03bf 120J<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-49[]' id='answer-id-167' class='answer   answerof-49 watupro_max_selections-2' value='167'  onclick='return WatuPRO.maxSelections(49,2, this);' \/><label for='answer-id-167' id='answer-label-167' class=' answer'><span>\u0397 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 N \u03ad\u03c7\u03b5\u03b9 \u03bc\u03ad\u03c4\u03c1\u03bf 30\u039d.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-49[]' id='answer-id-168' class='answer   answerof-49 watupro_max_selections-2' value='168'  onclick='return WatuPRO.maxSelections(49,2, this);' \/><label for='answer-id-168' id='answer-label-168' class=' answer'><span>\u03a4\u03bf \u03ad\u03c1\u03b3\u03bf \u03c4\u03b7\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03a4 \u03b5\u03af\u03bd\u03b1\u03b9 -40J.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-49[]' id='answer-id-169' class='answer   answerof-49 watupro_max_selections-2' value='169'  onclick='return WatuPRO.maxSelections(49,2, this);' \/><label for='answer-id-169' id='answer-label-169' class=' answer'><span>\u03a4\u03bf \u03ad\u03c1\u03b3\u03bf \u03c4\u03b7\u03c2 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2 F \u03b5\u03af\u03bd\u03b1\u03b9 -240J.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-9' style=';'><div id='questionWrap-9'  class='   watupro-question-id-50'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>9. <\/span>\u03a3\u03ce\u03bc\u03b1 \u03bc\u03b1\u03b6\u03b1\u03c2 3kg \u03c0\u03ad\u03c6\u03c4\u03b5\u03b9 \u03b1\u03c0\u03cc \u03cd\u03c8\u03bf\u03c2 12m \u03c7\u03c9\u03c1\u03af\u03c2 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b9\u03bc\u03b5\u03c2 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03b1\u03ad\u03c1\u03b1 \u03ba\u03b1\u03b9 \u03bc\u03b5 g=10m\/s<sup>2<\/sup>. \u038c\u03c4\u03b1\u03bd \u03b1\u03c0\u03ad\u03c7\u03b5\u03b9 4m \u03b1\u03c0\u03cc \u03c4\u03bf \u03ad\u03b4\u03b1\u03c6\u03bf\u03c2 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03b8\u03b1 \u03ad\u03c7\u03b5\u03b9:<\/div><input type='hidden' name='question_id[]' id='qID_9' value='50' \/><input type='hidden' id='answerType50' value='checkbox'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-50[]' id='answer-id-170' class='answer   answerof-50 watupro_max_selections-3' value='170'  onclick='return WatuPRO.maxSelections(50,3, this);' \/><label for='answer-id-170' id='answer-label-170' class=' answer'><span>\u0394\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 120J.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-50[]' id='answer-id-171' class='answer   answerof-50 watupro_max_selections-3' value='171'  onclick='return WatuPRO.maxSelections(50,3, this);' \/><label for='answer-id-171' id='answer-label-171' class=' answer'><span>\u039a\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 360J.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-50[]' id='answer-id-172' class='answer   answerof-50 watupro_max_selections-3' value='172'  onclick='return WatuPRO.maxSelections(50,3, this);' \/><label for='answer-id-172' id='answer-label-172' class=' answer'><span>\u039c\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 360J<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-50[]' id='answer-id-173' class='answer   answerof-50 watupro_max_selections-3' value='173'  onclick='return WatuPRO.maxSelections(50,3, this);' \/><label for='answer-id-173' id='answer-label-173' class=' answer'><span>\u039a\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 240J<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-10' style=';'><div id='questionWrap-10'  class='   watupro-question-id-51'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>10. <\/span>\u0391\u03c5\u03c4\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03bf \u03bc\u03ac\u03b6\u03b1\u03c2 1000kg \u03b1\u03bd\u03b5\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03b1\u03bd\u03b7\u03c6\u03cc\u03c1\u03b1 \u03bc\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 10m\/s. \u0394\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 g=10m\/s<sup>2<\/sup>. \u038c\u03c4\u03b1\u03bd \u03c0\u03b5\u03c1\u03bd\u03ac\u03b5\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03ba\u03bf\u03c1\u03c5\u03c6\u03ae \u03c4\u03b7\u03c2, \u03c0\u03bf\u03c5 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03cd\u03c8\u03bf\u03c2 20m \u03b1\u03c0\u03cc \u03c4\u03bf \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c4\u03bf\u03c5 \u03b4\u03c1\u03cc\u03bc\u03bf\u03c5:<br \/>\r\n<br \/>\r\n<div id=\"attachment_1356\" style=\"width: 336px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image13.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1356\" class=\"wp-image-1356\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image13-300x117.jpg\" alt=\"image\" width=\"326\" height=\"127\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image13-300x117.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image13-1024x402.jpg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image13.jpg 1274w\" sizes=\"auto, (max-width: 326px) 100vw, 326px\" \/><\/a><p id=\"caption-attachment-1356\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 10<\/p><\/div><\/div><input type='hidden' name='question_id[]' id='qID_10' value='51' \/><input type='hidden' id='answerType51' value='checkbox'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-51[]' id='answer-id-174' class='answer   answerof-51 watupro_max_selections-2' value='174'  onclick='return WatuPRO.maxSelections(51,2, this);' \/><label for='answer-id-174' id='answer-label-174' class=' answer'><span>\u0397 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03c4\u03bf\u03c5 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7 \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03ae \u03c0\u03bf\u03c5 \u03b5\u03af\u03c7\u03b5 \u03c3\u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03ae \u03c4\u03b7\u03c2 \u03b1\u03bd\u03b7\u03c6\u03cc\u03c1\u03b1\u03c2.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-51[]' id='answer-id-175' class='answer   answerof-51 watupro_max_selections-2' value='175'  onclick='return WatuPRO.maxSelections(51,2, this);' \/><label for='answer-id-175' id='answer-label-175' class=' answer'><span>\u0398\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03c7\u03ac\u03c3\u03b5\u03b9 \u03b4\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-51[]' id='answer-id-176' class='answer   answerof-51 watupro_max_selections-2' value='176'  onclick='return WatuPRO.maxSelections(51,2, this);' \/><label for='answer-id-176' id='answer-label-176' class=' answer'><span>\u0397 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03c4\u03bf\u03c5 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 50.000J.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-51[]' id='answer-id-177' class='answer   answerof-51 watupro_max_selections-2' value='177'  onclick='return WatuPRO.maxSelections(51,2, this);' \/><label for='answer-id-177' id='answer-label-177' class=' answer'><span>\u0398\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03b1\u03c5\u03be\u03b7\u03b8\u03b5\u03af \u03b7 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ae \u03c4\u03bf\u03c5 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03ba\u03b1\u03c4\u03ac 200.000J.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div style='display:none' id='question-11'>\n\t<div class='question-content'>\n\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\" \/>&nbsp;Loading...\t<\/div>\n<\/div>\n\n<br \/>\n\t\n\t\t\t<div class=\"watupro_buttons flex \" id=\"watuPROButtons5\">\n\t\t  <div id=\"prev-question\" style=\"display:none;\"><input type=\"button\" value=\"&lt; \u03a0\u03c1\u03bf\u03b7\u03b3\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf\u03b7\" onclick=\"WatuPRO.nextQuestion(event, 'previous');\"\/><\/div>\t\t  \t\t  \t\t   \n\t\t   \t  \t\t<div><input type=\"button\" name=\"action\" class=\"watupro-submit-button\" onclick=\"WatuPRO.submitResult(event)\" id=\"action-button\" value=\"\u0391\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1\"  \/>\n\t\t<\/div>\n\t\t<\/div>\n\t\t\n\t<input type=\"hidden\" name=\"quiz_id\" value=\"5\" id=\"watuPROExamID\"\/>\n\t<input type=\"hidden\" name=\"start_time\" id=\"startTime\" value=\"2026-04-20 12:18:37\" \/>\n\t<input type=\"hidden\" name=\"start_timestamp\" id=\"startTimeStamp\" value=\"1776687517\" \/>\n\t<input type=\"hidden\" name=\"question_ids\" value=\"\" \/>\n\t<input type=\"hidden\" name=\"watupro_questions\" value=\"42:146,147,148,149 | 43: | 44:150,151,152,153 | 45:154,155,156,157 | 46: | 47:158,159,160,161 | 48:162,163,164,165 | 49:166,167,168,169 | 50:170,171,172,173 | 51:174,175,176,177\" \/>\n\t<input type=\"hidden\" name=\"no_ajax\" value=\"0\">\t\t\t<\/form>\n\t<p>&nbsp;<\/p>\n<\/div>\n\n<form method=\"post\" id=\"watuproTimerForm5\">\n\t<!-- watupro-hidden-fields -->\n\t<input type=\"hidden\" name=\"watupro_start_timer\" value=\"0\">\n\t<input type=\"hidden\" name=\"watupro_taker_email\" value=\"\">\n\t<input type=\"hidden\" name=\"watupro_taker_name\" value=\"\">\n\t<input type=\"hidden\" name=\"watupro_taker_phone\" value=\"\">\n\t<input type=\"hidden\" name=\"watupro_taker_company\" value=\"\">\n\t<input type=\"hidden\" name=\"watupro_taker_field1\" value=\"\">\n\t<input type=\"hidden\" name=\"watupro_taker_field2\" value=\"\">\n\t<input type=\"hidden\" name=\"watupro_taker_checkbox\" value=\"1\">\n\t<input type=\"hidden\" name=\"watupro_diff_level\" value=\"\">\n<\/form>\n<script type=\"text\/javascript\">\n\/\/jQuery(document).ready(function(){\ndocument.addEventListener(\"DOMContentLoaded\", function(event) { \t\nvar question_ids = \"42,43,44,45,46,47,48,49,50,51\";\nWatuPROSettings[5] = {};\nWatuPRO.qArr = question_ids.split(',');\nWatuPRO.exam_id = 5;\t    \nWatuPRO.post_id = 1302;\nWatuPRO.store_progress = 1;\nWatuPRO.curCatPage = 1;\nWatuPRO.requiredIDs=\"0\".split(\",\");\nWatuPRO.hAppID = \"0.78523200 1776676717\";\nvar url = \"https:\/\/viewonphysics.gr\/wp-content\/plugins\/watupro\/show_exam.php\";\nWatuPRO.examMode = 1;\nWatuPRO.siteURL=\"https:\/\/viewonphysics.gr\/wp-admin\/admin-ajax.php\";\nWatuPRO.emailIsNotRequired = 0;\nWatuPROIntel.init(5);\nWatuPRO.inCategoryPages=1;});    \t \n<\/script>\n<p>\u0393\u03b9\u03ac\u03bd\u03bd\u03b7\u03c2 \u0393\u03b1\u03ca\u03c3\u03af\u03b4\u03b7\u03c2<\/p>\n<p><a href=\"&#109;&#x61;&#105;&#x6c;&#116;&#x6f;:&#x67;a&#x69;s&#x69;d&#x69;s&#x40;v&#x69;e&#x77;o&#x6e;p&#104;&#x79;&#115;&#x69;&#99;&#x73;&#46;&#x67;r\">&#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\" alt=\"img_1494\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/03\/img_1494.jpg\" width=\"116\" height=\"110\" \/><\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0393\u03b9\u03ac\u03bd\u03bd\u03b7\u03c2 \u0393\u03b1\u03ca\u03c3\u03af\u03b4\u03b7\u03c2 &#x67;ai&#x73;&#105;d&#x69;&#115;&#64;&#x76;&#x69;e&#x77;&#x6f;np&#x68;&#121;s&#x69;&#99;s&#x2e;&#x67;r<\/p>\n","protected":false},"author":1,"featured_media":1356,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_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":""},"categories":[17,6,3],"tags":[],"class_list":["post-1302","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-online","category-6","category-3"],"jetpack_featured_media_url":"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image13.jpg","jetpack_shortlink":"https:\/\/wp.me\/p4sIra-l0","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=\/wp\/v2\/posts\/1302","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=1302"}],"version-history":[{"count":6,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=\/wp\/v2\/posts\/1302\/revisions"}],"predecessor-version":[{"id":1382,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=\/wp\/v2\/posts\/1302\/revisions\/1382"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=\/wp\/v2\/media\/1356"}],"wp:attachment":[{"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1302"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1302"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}