{"id":2788,"date":"2023-10-23T10:15:40","date_gmt":"2023-10-23T08:15:40","guid":{"rendered":"https:\/\/mxth.dk\/?p=2788"},"modified":"2024-09-02T10:40:26","modified_gmt":"2024-09-02T08:40:26","slug":"fjederkrafter","status":"publish","type":"post","link":"https:\/\/mxth.dk\/?p=2788","title":{"rendered":"Fjederkrafter"},"content":{"rendered":"\n<p class=\" eplus-wrapper\"><strong>Opgave 1<\/strong><\/p>\n\n\n\n<p class=\" eplus-wrapper\">En fjeder med en fjederkonstant (<em>k<\/em>) p\u00e5 500 N\/m udstr\u00e6kkes (<em>x<\/em>) 0,3 meter. Hvor stor er fjederkraften?<\/p>\n\n\n\n<p class=\" eplus-wrapper\"><strong>Opgave 2<\/strong><\/p>\n\n\n\n<p class=\" eplus-wrapper\">En fjeder med fjederkonstanten 200 N\/m p\u00e5virkes af en kraft p\u00e5 70 N. Hvor meget str\u00e6kkes fjederen?<\/p>\n\n\n\n<p class=\" eplus-wrapper\"><strong>Opgave 3<\/strong><\/p>\n\n\n\n<p class=\" eplus-wrapper\">En fjeder med en fjederkonstant p\u00e5 800 N\/m udstr\u00e6kkes 20 cm, da et lod h\u00e6nges i den.<\/p>\n\n\n<ol class=\" wp-block-list eplus-wrapper eplus-styles-uid-55f4a0\">\n<li class=\" eplus-wrapper\">Hvor stor en kraft belastes fjederen med?<\/li>\n\n\n\n<li class=\" eplus-wrapper\">Hvor tungt er det lod som h\u00e6nges i fjederen?<\/li>\n<\/ol>\n\n\n<p class=\" eplus-wrapper\"><strong>Opgave 4<\/strong><\/p>\n\n\n\n<p class=\" eplus-wrapper\">En fjeder med en fjederkonstant p\u00e5 1,0 kN\/m h\u00e6nges lodret.<\/p>\n\n\n<ol class=\" wp-block-list eplus-wrapper eplus-styles-uid-ef7332\">\n<li class=\" eplus-wrapper\">Hvor meget str\u00e6kkes fjederen, hvis den belastes med en masse p\u00e5 2,0 kg?<\/li>\n\n\n\n<li class=\" eplus-wrapper\">Hvor stor masse skal fjederen belastes med, for at str\u00e6kke den 10 cm?<\/li>\n<\/ol>\n\n\n<p class=\" eplus-wrapper\"><strong>Opgave 5<\/strong><\/p>\n\n\n\n<p class=\" eplus-wrapper\">En fjeder belastes med et lod, hvorved fjederen str\u00e6kkes med 10 cm.<\/p>\n\n\n<ol class=\" wp-block-list eplus-wrapper eplus-styles-uid-799ade\">\n<li class=\" eplus-wrapper\">Hvad er udstr\u00e6kningen af fjederen, hvis der h\u00e6nges endnu et identisk lod p\u00e5?<\/li>\n\n\n\n<li class=\" eplus-wrapper\">Hvor mange lodder skal fjederen belastes med, for at den samlede str\u00e6kning bliver 50 cm?<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"<p>Opgave 1 En fjeder med en fjederkonstant (k) p\u00e5 500 N\/m udstr\u00e6kkes (x) 0,3 meter. Hvor stor er fjederkraften? Opgave 2 En fjeder med fjederkonstanten 200 N\/m p\u00e5virkes af en kraft p\u00e5 70 N. Hvor meget str\u00e6kkes fjederen? Opgave 3 En fjeder med en fjederkonstant p\u00e5 800 N\/m udstr\u00e6kkes 20 cm, da et lod h\u00e6nges [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ub_ctt_via":"","editor_plus_copied_stylings":"{}","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[57,2],"tags":[],"class_list":["post-2788","post","type-post","status-publish","format-standard","hentry","category-brobygning","category-fysik"],"featured_image_src":null,"author_info":{"display_name":"Henriksen","author_link":"https:\/\/mxth.dk\/?author=1"},"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/mxth.dk\/index.php?rest_route=\/wp\/v2\/posts\/2788","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mxth.dk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mxth.dk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"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=2788"}],"version-history":[{"count":5,"href":"https:\/\/mxth.dk\/index.php?rest_route=\/wp\/v2\/posts\/2788\/revisions"}],"predecessor-version":[{"id":3488,"href":"https:\/\/mxth.dk\/index.php?rest_route=\/wp\/v2\/posts\/2788\/revisions\/3488"}],"wp:attachment":[{"href":"https:\/\/mxth.dk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2788"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mxth.dk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2788"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mxth.dk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2788"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}