{"id":117373,"date":"2015-08-21T02:00:00","date_gmt":"2015-08-20T23:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=1f37110f9578fd3bb074a4f416428956"},"modified":"2015-08-21T02:00:00","modified_gmt":"2015-08-20T23:00:00","slug":"a-simple-device-for-studying-the-relativity-of-motion","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=117373","title":{"rendered":"A simple device for studying the relativity of motion"},"content":{"rendered":"<p>The fundamentals of classical mechanics are the foundation of more complicated and ingenious<br \/>\nphysical theories. Therefore, an educational experiment revealing to students the physical nature of<br \/>\nmechanical phenomena is important. The effectiveness of this experiment manifoldly increases if<br \/>\nstudents not only perform it by themselves, but also make the necessary appliances with their own<br \/>\nhands. Such devices should be modern in order to elicit the students\u2019 interest, and very simple so<br \/>\nthat creating them does not require much time and effort. This paper proposes a device that can be<br \/>\nused in the experimental study of the relativity of mechanical motion and in the investigation of<br \/>\nthe motion of the solid mass centre in the Earth\u2019s gravitational field. The device is a soft disc<br \/>\ninto which a power supply, a switch, a pulse generator and two coloured light emitting diodes are<br \/>\nfixed, so that the mass centre of the device does not coincide with the geometrical centre of the<br \/>\ndisc. One of the&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The fundamentals of classical mechanics are the foundation of more complicated and ingenious<br \/>\nphysical theories. Therefore, an educational experiment revealing to students the physical nature of<br \/>\nmechanical phenomena is important. The effectiveness of &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[178],"tags":[],"class_list":{"0":"post-117373","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-rss-fuusikaharidus","7":"entry"},"_links":{"self":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/117373","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=117373"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/117373\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=117373"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=117373"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=117373"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}