{"id":1535,"date":"2024-04-08T10:39:49","date_gmt":"2024-04-08T07:39:49","guid":{"rendered":"https:\/\/blog.edu.turku.fi\/scienceed\/?p=1535"},"modified":"2024-04-08T10:42:57","modified_gmt":"2024-04-08T07:42:57","slug":"simple-machines-lever","status":"publish","type":"post","link":"https:\/\/blog.edu.turku.fi\/scienceed\/2024\/04\/08\/simple-machines-lever\/","title":{"rendered":"Simple Machines: Lever"},"content":{"rendered":"<h2>You need<\/h2>\n<ul>\n<li>A sturdy ruler (or another long, fast, flat object)<\/li>\n<li>A pencil<\/li>\n<li>A pile of books<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1540\" src=\"https:\/\/blog.edu.turku.fi\/scienceed\/files\/2024\/04\/image-from-rawpixel-id-6750744-png-300x300.png\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/blog.edu.turku.fi\/scienceed\/files\/2024\/04\/image-from-rawpixel-id-6750744-png-300x300.png 300w, https:\/\/blog.edu.turku.fi\/scienceed\/files\/2024\/04\/image-from-rawpixel-id-6750744-png-150x150.png 150w, https:\/\/blog.edu.turku.fi\/scienceed\/files\/2024\/04\/image-from-rawpixel-id-6750744-png.png 1024w\" sizes=\"auto, (max-width: 300px) 85vw, 300px\" \/><\/p>\n<h2>Make a Lever<\/h2>\n<ol>\n<li>Ask your child to use both hands to lift a stack of books up two inches.<\/li>\n<li>Ask if they could lift the books with just two fingers.<\/li>\n<li>Slide about two inches of the ruler under the stack of books.<\/li>\n<li>Slide a pencil perpendicular to and under the ruler, close to the stack of books but not under it.<\/li>\n<li>Hold the pencil in place and ask your child to push down on the ruler with two hands, then with two fingers, and then with one finger.<\/li>\n<\/ol>\n<p>How many hands or fingers does your child need to lift the stack of books when using the ruler and pencil as a lever?<\/p>\n<p>Does it feel easier or harder to lift the stack of books when using the ruler as a lever instead of lifting them straight up?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>You need A sturdy ruler (or another long, fast, flat object) A pencil A pile of books Make a Lever Ask your child to use both hands to lift a stack of books up two inches. Ask if they could lift the books with just two fingers. Slide about two inches of the ruler under &hellip; <a href=\"https:\/\/blog.edu.turku.fi\/scienceed\/2024\/04\/08\/simple-machines-lever\/\" class=\"more-link\">Forts\u00e4tt l\u00e4sa<span class=\"screen-reader-text\"> \u201dSimple Machines: Lever\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":[30020],"tags":[],"class_list":["post-1535","post","type-post","status-publish","format-standard","hentry","category-english"],"_links":{"self":[{"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/posts\/1535","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=1535"}],"version-history":[{"count":2,"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/posts\/1535\/revisions"}],"predecessor-version":[{"id":1543,"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/posts\/1535\/revisions\/1543"}],"wp:attachment":[{"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/media?parent=1535"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/categories?post=1535"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.edu.turku.fi\/scienceed\/wp-json\/wp\/v2\/tags?post=1535"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}