{"id":8876,"date":"2019-11-05T11:10:09","date_gmt":"2019-11-05T10:10:09","guid":{"rendered":"https:\/\/projectes.xtec.cat\/steamcat\/?p=8876"},"modified":"2021-05-15T19:36:30","modified_gmt":"2021-05-15T17:36:30","slug":"entenent-els-submarins-amb-arquimedes","status":"publish","type":"post","link":"https:\/\/projectes.xtec.cat\/steamcat\/general\/entenent-els-submarins-amb-arquimedes\/","title":{"rendered":"Entenent els submarins amb arqu\u00edmedes"},"content":{"rendered":"<p>Quan un cos es troba submergit en un fluid experimenta una\u00a0<strong>for\u00e7a d\u2019empenta o flotaci\u00f3<\/strong>\u00a0dirigida verticalment cap a dalt que intenta evitar que aquest s\u2019enfonsi. Aquesta for\u00e7a \u00e9s deguda a la\u00a0diferencia\u00a0de la component vertical\u00a0de la for\u00e7a \u00a0deguda a la pressi\u00f3 hidrost\u00e0tica que actua sobre la cara superior del objecte i la\u00a0component horitzontal\u00a0de la for\u00e7a de la pressi\u00f3 a la cara inferior del objecte (com que la pressi\u00f3 s\u2019incrementa amb la profunditat, la resultant sempre anir\u00e0 cap amunt).<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"ZyfQ4ufwzY\"><p><a href=\"https:\/\/desdelamediterrania.cat\/2013\/12\/15\/entenent-els-submarins-amb-arquimedes\/\">Entenent els submarins amb&nbsp;Arqu\u00edmedes<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;Entenent els submarins amb&nbsp;Arqu\u00edmedes&#8221; &#8212; Des de la Mediterr\u00e0nia\" src=\"https:\/\/desdelamediterrania.cat\/2013\/12\/15\/entenent-els-submarins-amb-arquimedes\/embed\/#?secret=uIViaAonYG#?secret=ZyfQ4ufwzY\" data-secret=\"ZyfQ4ufwzY\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quan un cos es troba submergit en un fluid experimenta una\u00a0for\u00e7a d\u2019empenta o flotaci\u00f3\u00a0dirigida verticalment cap a dalt que intenta evitar que aquest s\u2019enfonsi. Aquesta for\u00e7a \u00e9s deguda a la\u00a0diferencia\u00a0de la component vertical\u00a0de la for\u00e7a \u00a0deguda a la pressi\u00f3 hidrost\u00e0tica que actua sobre la cara superior del objecte i la\u00a0component horitzontal\u00a0de la for\u00e7a de la [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":8879,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[402,405],"class_list":["post-8876","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general","tag-monturiol","tag-sc19"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/projectes.xtec.cat\/steamcat\/wp-json\/wp\/v2\/posts\/8876","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/projectes.xtec.cat\/steamcat\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/projectes.xtec.cat\/steamcat\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/projectes.xtec.cat\/steamcat\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/projectes.xtec.cat\/steamcat\/wp-json\/wp\/v2\/comments?post=8876"}],"version-history":[{"count":1,"href":"https:\/\/projectes.xtec.cat\/steamcat\/wp-json\/wp\/v2\/posts\/8876\/revisions"}],"predecessor-version":[{"id":8878,"href":"https:\/\/projectes.xtec.cat\/steamcat\/wp-json\/wp\/v2\/posts\/8876\/revisions\/8878"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/projectes.xtec.cat\/steamcat\/wp-json\/wp\/v2\/media\/8879"}],"wp:attachment":[{"href":"https:\/\/projectes.xtec.cat\/steamcat\/wp-json\/wp\/v2\/media?parent=8876"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/projectes.xtec.cat\/steamcat\/wp-json\/wp\/v2\/categories?post=8876"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/projectes.xtec.cat\/steamcat\/wp-json\/wp\/v2\/tags?post=8876"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}