{"id":21033780,"date":"2016-10-10T18:57:10","date_gmt":"2016-10-10T16:57:10","guid":{"rendered":"http:\/\/znanost.geek.hr\/?p=21033780"},"modified":"2020-10-15T14:49:08","modified_gmt":"2020-10-15T12:49:08","slug":"magnusov-efekt","status":"publish","type":"post","link":"https:\/\/geek.hr\/znanost\/clanak\/magnusov-efekt\/","title":{"rendered":"Magnusov efekt: \u0160to se dogodi kada bacite ko\u0161arka\u0161ku loptu s velike visine i pritom je zavrtite?"},"content":{"rendered":"<p>Ako ko\u0161arka\u0161ku loptu samo bacite s visine, ona \u0107e pasti okomito na zemlju. No ako je bacite s dovoljno velike visine i pri bacanju je malo zavrtite, dogodit \u0107e se ne\u0161to jako zanimljivo.<\/p>\n<p>Ovaj efekt pojasnio je Derek Muler \u010diji su prijatelji oti\u0161li na 126,5 metara visoku branu u Tasmaniji i s nje bacili dvije lopte. Jedna je pala okomito, dok je druga koju su malo zarotirali padala pod kutom.<\/p>\n<p>Muler je objasnio da je to rezultat Magnusova efekta, koji mo\u017ee uzrokovati da se lopta koju malo zavrtimo pona\u0161a potpuno druga\u010dije od onog \u0161to od nje o\u010dekujemo. Magnusov efekt utje\u010de na sve rotiraju\u0107e lopte i cilindre dok lete kroz zrak.<\/p>\n<p>Heinrich Gustav Magnus je njema\u010dki fizi\u010dar i kemi\u010dar koji je utvrdio da je brzina gibanja struje zraka uz rotiraju\u0107i valjak ve\u0107a na onoj strani gdje se smjerovi obaju gibanja podudaraju, a manja na strani gdje su oni suprotni.<\/p>\n<p><iframe loading=\"lazy\" title=\"Backspin Basketball Flies Off Dam\" width=\"880\" height=\"495\" src=\"https:\/\/www.youtube.com\/embed\/2OSrvzNW9FE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ako ko\u0161arka\u0161ku loptu samo bacite s visine, ona \u0107e pasti okomito na zemlju. No ako je bacite s dovoljno velike visine i pri bacanju je malo zavrtite, dogodit \u0107e se ne\u0161to jako zanimljivo. Ovaj efekt pojasnio je Derek Muler \u010diji su prijatelji oti\u0161li na 126,5 metara visoku branu u Tasmaniji i s nje bacili dvije [&hellip;]<\/p>\n","protected":false},"author":10022,"featured_media":21033781,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"video","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[16333],"tags":[17880,19035,19034],"class_list":["post-21033780","post","type-post","status-publish","format-video","has-post-thumbnail","hentry","category-fizika","tag-eksperiment","tag-fizika","tag-lopta","post_format-post-format-video"],"modified_by":null,"_links":{"self":[{"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/posts\/21033780","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/users\/10022"}],"replies":[{"embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/comments?post=21033780"}],"version-history":[{"count":0,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/posts\/21033780\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/media\/21033781"}],"wp:attachment":[{"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/media?parent=21033780"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/categories?post=21033780"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/tags?post=21033780"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}