{"id":93061,"date":"2015-06-10T03:00:00","date_gmt":"2015-06-10T00:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=ea4384d3302c541b19092d22ea24e2b8"},"modified":"2015-06-10T03:00:00","modified_gmt":"2015-06-10T00:00:00","slug":"rotational-kinematics-of-a-rigid-body-about-a-fixed-axis-development-and-analysis-of-an-inventory","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=93061","title":{"rendered":"Rotational kinematics of a rigid body about a fixed axis: development and analysis of an inventory"},"content":{"rendered":"<p>We present the development, administration, and analysis of a focused inventory on the rotational<br \/>\nkinematics of a rigid body around a fixed axis. The inventory, which is made up of 13<br \/>\nmultiple-choice questions, was developed on the basis of interactions with students and teachers.<br \/>\nThe systematic and iterative aspects of the construction of the inventory are illustrated. The<br \/>\nquestions, which were validated, were administered to a set of teachers ( N = 25) and two groups of<br \/>\npreuniversity students ( N = 74 and 905) in India. Students, as well as teachers, exhibited<br \/>\ndifficulties in applying the operational definition of angular velocity to a rigid body. Many<br \/>\nerroneously assumed that an angular acceleration cannot exist without a net torque. Patterns of<br \/>\nreasoning resulting in errors were identified and categorized under four broad themes. These include<br \/>\ninappropriate extensions of familiar procedural practices, reasoning cued by primitive elements in<br \/>\nthought, lack of differ&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We present the development, administration, and analysis of a focused inventory on the rotational<br \/>\nkinematics of a rigid body around a fixed axis. The inventory, which is made up of 13<br \/>\nmultiple-choice questions, was developed on the basis of interacti&#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-93061","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\/93061","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=93061"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/93061\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=93061"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=93061"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=93061"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}