{"id":1621,"date":"2024-05-20T08:53:06","date_gmt":"2024-05-20T05:53:06","guid":{"rendered":"https:\/\/blog.edu.turku.fi\/scienceed\/?p=1621"},"modified":"2025-12-23T10:42:49","modified_gmt":"2025-12-23T08:42:49","slug":"fysik-pa-en-gunga","status":"publish","type":"post","link":"https:\/\/blog.edu.turku.fi\/scienceed\/2024\/05\/20\/fysik-pa-en-gunga\/","title":{"rendered":"Fysik p\u00e5 en gunga"},"content":{"rendered":"<p>L\u00e5t oss bekanta oss med pendelr\u00f6relse, som gungor i en gunga. Vilken effekt g\u00f6r objektets tyngd och str\u00e4ngens l\u00e4ngd p\u00e5 hur objektet sv\u00e4nger.<br \/>\n<em>Vad m\u00e4rker du?<\/em><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1622\" src=\"https:\/\/blog.edu.turku.fi\/scienceed\/files\/2024\/05\/image-from-rawpixel-id-8905258-jpeg-245x300.jpg\" alt=\"\" width=\"245\" height=\"300\" srcset=\"https:\/\/blog.edu.turku.fi\/scienceed\/files\/2024\/05\/image-from-rawpixel-id-8905258-jpeg-245x300.jpg 245w, https:\/\/blog.edu.turku.fi\/scienceed\/files\/2024\/05\/image-from-rawpixel-id-8905258-jpeg.jpg 837w\" sizes=\"auto, (max-width: 245px) 85vw, 245px\" \/><\/p>\n<h2>Fas 1 Material<\/h2>\n<ul>\n<li>sn\u00f6re<\/li>\n<li>m\u00e5ttband<\/li>\n<li>sax<\/li>\n<li>f\u00f6rem\u00e5l med olika vikter (t.ex. leksaker, vikter)<\/li>\n<li>papper och pennor f\u00f6r eventuella anteckningar<\/li>\n<\/ul>\n<h2>Fas 2 Aktivitet<\/h2>\n<p>Anv\u00e4nd ett m\u00e5ttband och m\u00e4t upp olika l\u00e5nga bitar av sn\u00f6re (t.ex. 1m, 60cm och 30 cm).<br \/>\nKlipp str\u00e4ngarna 10\u201320 cm l\u00e4ngre \u00e4n vad som m\u00e4tts ovan. Klipp upp tv\u00e5 bitar av varje l\u00e4ngd.<\/p>\n<p>Knyt fast n\u00e5got objekt i den andra \u00e4nden av sn\u00f6rena.<\/p>\n<p>Ta tag i den fria \u00e4nden av str\u00e4ngen med fingrarna och s\u00e4tt f\u00f6rem\u00e5let i r\u00f6relse. F\u00f6rs\u00f6k h\u00e5lla h\u00e4nderna p\u00e5 samma plats n\u00e4r objektet pendlar, som gungor i en gunga.<br \/>\nKan ta tv\u00e5 sn\u00f6ren av samma l\u00e4ngd i vardera handen och observera vilket f\u00f6rem\u00e5l som \u00e4r tyngre.<br \/>\nDet observeras sedan vilken som har en st\u00f6rre pendelr\u00f6relse, som \u00e4r snabbare och vilken som saktar ner snabbare n\u00e4r ingen ytterligare drivkraft ges.<br \/>\nD\u00e4refter kan str\u00e4ngar av olika l\u00e4ngder tas men f\u00f6rem\u00e5l av samma vikt till tr\u00e5dens \u00e4ndar. Nu kan du observera vilken pendel som r\u00f6r sig st\u00f6rre, vilken som \u00e4r snabbare och vilken som saktar ner snabbare, n\u00e4r ingen ytterligare drivkraft ges.<\/p>\n<h2>Modifiera<\/h2>\n<p>Detta kan testas \u00e4ven Med en jojo eller n\u00e5got annat objekt med sn\u00f6re och vikt i ena \u00e4nden.<br \/>\nOm s\u00e5 \u00f6nskas kan du ocks\u00e5 g\u00f6ra en tabell att j\u00e4mf\u00f6ra olika sn\u00f6rl\u00e4ngder och pendelr\u00f6relsen p\u00e5 n\u00e5got barnv\u00e4nligt s\u00e4tt.<\/p>\n<p><em>Id\u00e9n h\u00e4mtad fr\u00e5n <a href=\"https:\/\/www.turku.fi\/steam-turku\">Steam Turku<\/a><\/em><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-1626\" src=\"https:\/\/blog.edu.turku.fi\/scienceed\/files\/2024\/05\/Steam-Turku-300x141.png\" alt=\"\" width=\"200\" height=\"94\" srcset=\"https:\/\/blog.edu.turku.fi\/scienceed\/files\/2024\/05\/Steam-Turku-300x141.png 300w, https:\/\/blog.edu.turku.fi\/scienceed\/files\/2024\/05\/Steam-Turku.png 380w\" sizes=\"auto, (max-width: 200px) 85vw, 200px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u00e5t oss bekanta oss med pendelr\u00f6relse, som gungor i en gunga. Vilken effekt g\u00f6r objektets tyngd och str\u00e4ngens l\u00e4ngd p\u00e5 hur objektet sv\u00e4nger. Vad m\u00e4rker du? Fas 1 Material sn\u00f6re m\u00e5ttband sax f\u00f6rem\u00e5l med olika vikter (t.ex. leksaker, vikter) papper och pennor f\u00f6r eventuella anteckningar Fas 2 Aktivitet Anv\u00e4nd ett m\u00e5ttband och m\u00e4t upp olika &hellip; <a href=\"https:\/\/blog.edu.turku.fi\/scienceed\/2024\/05\/20\/fysik-pa-en-gunga\/\" class=\"more-link\">Forts\u00e4tt l\u00e4sa<span class=\"screen-reader-text\"> \u201dFysik p\u00e5 en gunga\u201d<\/span><\/a><\/p>\n","protected":false},"author":2590,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[218561,4842,218347],"tags":[],"class_list":["post-1621","post","type-post","status-publish","format-standard","hentry","category-experiment","category-fysik","category-veckans-ide"],"_links":{"self":[{"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/posts\/1621","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/users\/2590"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/comments?post=1621"}],"version-history":[{"count":4,"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/posts\/1621\/revisions"}],"predecessor-version":[{"id":1854,"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/posts\/1621\/revisions\/1854"}],"wp:attachment":[{"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/media?parent=1621"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/categories?post=1621"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/tags?post=1621"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}