{"id":1950,"date":"2022-10-06T10:11:42","date_gmt":"2022-10-06T08:11:42","guid":{"rendered":"https:\/\/mxth.dk\/?page_id=1950"},"modified":"2023-08-23T20:06:44","modified_gmt":"2023-08-23T18:06:44","slug":"forsoeg-a2-centripetalkraften","status":"publish","type":"page","link":"https:\/\/mxth.dk\/?page_id=1950","title":{"rendered":"FORS\u00d8G A2: centripetalkraften"},"content":{"rendered":"\n<div class=\" wp-block-cover alignfull is-light has-parallax eplus-wrapper\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\"><\/span><div role=\"img\" class=\"wp-block-cover__image-background wp-image-1951 has-parallax\" style=\"background-position:50% 50%;background-image:url(https:\/\/mxth.dk\/wp-content\/uploads\/2022\/10\/scott-webb-IZmPdbnb-3I-unsplash-scaled.jpg)\"><\/div><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\"><p class=\" has-text-align-center has-large-font-size eplus-wrapper eplus-styles-uid-b588eb\">FORS\u00d8G A2<\/p>\n\n<p class=\" has-text-align-center eplus-wrapper eplus-styles-uid-2b8a92\">centripetalkraften<\/p><\/div><\/div>\n\n\n<p class=\" has-text-align-right eplus-wrapper eplus-styles-uid-34e78c\">Photo by <a href=\"https:\/\/unsplash.com\/@scottwebb?utm_source=unsplash&amp;utm_medium=referral&amp;utm_content=creditCopyText\">Scott Webb<\/a> on <a href=\"https:\/\/unsplash.com\/s\/photos\/chain-swing-ride?utm_source=unsplash&amp;utm_medium=referral&amp;utm_content=creditCopyText\">Unsplash<\/a><\/p>\n\n\n<h4 class=\" wp-block-heading eplus-wrapper\">Form\u00e5l<\/h4>\n\n\n\n<p class=\" eplus-wrapper\">Form\u00e5let med denne \u00f8velse er at unders\u00f8ge effekten af varierende masse af et objekt, radius af cirkelbanen, og centripetalkraften p\u00e5 objektet der roterer i cirkelbanen.<\/p>\n\n\n\n<h4 class=\" wp-block-heading eplus-wrapper\">Teori<\/h4>\n\n\n\n<p class=\" eplus-wrapper\">N\u00e5r et legeme med massen m h\u00e6nges i en snor af l\u00e6ngden r, bliver roteret i en vandret cirkel, vil centripetalkraften p\u00e5 legemet v\u00e6re<\/p>\n\n\n\n<p class=\" has-text-align-center eplus-wrapper\">$F=\\frac{mv^2}{r}=mr\\omega^2$<\/p>\n\n\n\n<p class=\" eplus-wrapper\">hvor v er den tangielle hastighed og $\\omega$ er vinkelhastigheden ($v=r\\omega$). Til at m\u00e5le hastigheden, m\u00e5les perioden (T) alts\u00e5 den tid det tager for 1 rotation, hvorved<\/p>\n\n\n\n<p class=\" eplus-wrapper\">$v=\\frac{2\\pi r}{T}$<\/p>\n\n\n\n<p class=\" eplus-wrapper\">og centripetalkraften bliver derved<\/p>\n\n\n\n<p class=\" eplus-wrapper\">$F=\\frac{4\\pi^2mr}{T^2}$<\/p>\n\n\n\n<h4 class=\" wp-block-heading eplus-wrapper\">Materialeliste<\/h4>\n\n\n<ul class=\"eplus-wrapper wp-block-list eplus-styles-uid-be4691\">\n<li class=\" eplus-wrapper\">Centripetal Force Accessory (ME-8952) &#8211; PASCO<\/li>\n\n\n\n<li class=\" eplus-wrapper\">Stopur<\/li>\n\n\n\n<li class=\" eplus-wrapper\">Ternet papir<\/li>\n\n\n\n<li class=\" eplus-wrapper\">Snor<\/li>\n\n\n\n<li class=\" eplus-wrapper\">Rotationsplatform (ME-8951)<\/li>\n\n\n\n<li class=\" eplus-wrapper\">V\u00e6gtklods<\/li>\n\n\n\n<li class=\" eplus-wrapper\">V\u00e6gte og kroge<\/li>\n<\/ul>\n\n\n<h4 class=\" wp-block-heading eplus-wrapper\">Fremgangsm\u00e5de<\/h4>\n\n\n\n<p class=\" eplus-wrapper\">Til at starte med skal A basen og rotationsplatformen nivelleres<\/p>\n\n\n<ul class=\"eplus-wrapper wp-block-list eplus-styles-uid-1b6959\">\n<li class=\" eplus-wrapper\">\n<\/ul>\n\n\n<p class=\" eplus-wrapper\">Her efter er der to dele til fors\u00f8get. En del hvor radiusen varieres og en del hvor <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Form\u00e5let med denne \u00f8velse er at unders\u00f8ge effekten af varierende masse af et objekt, radius af cirkelbanen, og centripetalkraften p\u00e5 objektet der roterer i cirkelbanen.<\/p>\n","protected":false},"author":1,"featured_media":1951,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"ub_ctt_via":"","editor_plus_copied_stylings":"{}","footnotes":""},"categories":[27,2],"tags":[],"class_list":["post-1950","page","type-page","status-publish","has-post-thumbnail","hentry","category-forsoeg","category-fysik"],"featured_image_src":"https:\/\/i0.wp.com\/mxth.dk\/wp-content\/uploads\/2022\/10\/scott-webb-IZmPdbnb-3I-unsplash-scaled.jpg?fit=2560%2C1700&ssl=1","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/mxth.dk\/index.php?rest_route=\/wp\/v2\/pages\/1950","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mxth.dk\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/mxth.dk\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/mxth.dk\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mxth.dk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1950"}],"version-history":[{"count":3,"href":"https:\/\/mxth.dk\/index.php?rest_route=\/wp\/v2\/pages\/1950\/revisions"}],"predecessor-version":[{"id":2575,"href":"https:\/\/mxth.dk\/index.php?rest_route=\/wp\/v2\/pages\/1950\/revisions\/2575"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mxth.dk\/index.php?rest_route=\/wp\/v2\/media\/1951"}],"wp:attachment":[{"href":"https:\/\/mxth.dk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1950"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mxth.dk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1950"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mxth.dk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1950"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}