{"id":226660,"date":"2016-06-01T02:00:00","date_gmt":"2016-05-31T23:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=70dd5e04a8b6e86e83847ad2f2b8d7ec"},"modified":"2016-06-01T02:00:00","modified_gmt":"2016-05-31T23:00:00","slug":"an-apparatus-to-demonstrate-linear-and-nonlinear-oscillations-of-a-pendulum","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=226660","title":{"rendered":"An apparatus to demonstrate linear and nonlinear oscillations of a pendulum"},"content":{"rendered":"<p>A physical pendulum with a magnetic load is proposed for comparison of linear and nonlinear<br \/>\noscillations. The magnetic load is repelled by permanent magnets which are disposed symmetrically<br \/>\nrelative to the load. It is established that positions of the pendulum and the magnets determine the<br \/>\ndependence of restoring force on displacement of the load. The dependence can be both linear and<br \/>\nnonlinear. The apparatus is equipped with a photoelectric transducer. The signal goes to a computer<br \/>\nand is displayed on the monitor as the dependence of the oscillation period on its number. If the<br \/>\nposition of the pendulum is normal then the oscillations are approximately linear. If the pendulum<br \/>\nis turned over then its oscillations become substantially nonlinear.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A physical pendulum with a magnetic load is proposed for comparison of linear and nonlinear<br \/>\noscillations. The magnetic load is repelled by permanent magnets which are disposed symmetrically<br \/>\nrelative to the load. It is established that positions of th&#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-226660","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\/226660","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=226660"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/226660\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=226660"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=226660"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=226660"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}