{"id":936,"date":"2013-01-20T09:41:47","date_gmt":"2013-01-20T06:41:47","guid":{"rendered":"http:\/\/dorjegurung.com\/sciblog\/?page_id=936"},"modified":"2026-03-12T18:31:09","modified_gmt":"2026-03-12T18:31:09","slug":"puzzler-7-falling-elevator","status":"publish","type":"page","link":"https:\/\/www.dorjegurung.com\/sciblog\/myp2-3-science\/term-3-puzzlers\/puzzler-7-falling-elevator\/","title":{"rendered":"Puzzler #7. Falling Elevator"},"content":{"rendered":"\n<p>A woman enters an elevator holding a container filled with water.&nbsp; Inside the water there is a spring fastened to the bottom of the container at one end and to a cork at the other end, so that the cork is submerged just below the water surface.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/dorjegurung.com\/sciblog\/myp2-3-science\/term-3\/puzzler-7-falling-elevator\/falling-elevator-image\/\" rel=\"attachment wp-att-939 noopener\" target=\"_blank\"><img decoding=\"async\" width=\"97\" height=\"73\" src=\"https:\/\/dorjegurung.com\/sciblog\/wp-content\/uploads\/2013\/01\/falling-elevator-image.png\" alt=\"falling elevator image\" class=\"wp-image-939\" \/><\/a><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Unfortunately, during the elevator\u2019s descent, the steel rope carrying the elevator breaks, and the elevator accelerates in free-fall.&nbsp; What happens to the container and its contents?&nbsp; Explain how you came up with your answer.<\/p>\n\n\n\n<p>Concepts involved:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-size: 16px\">Weight, mass, buoyancy, displacement, free-fall, weightlessness, upthrust, density, gravity.<\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>A woman enters an elevator holding a container filled with water.&nbsp; Inside the water there is a spring fastened to the bottom of the container at one end and to a cork at the other end, so that the cork is submerged just below the water surface. Unfortunately, during the elevator\u2019s descent, the steel rope [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":2545,"parent":917,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"class_list":["post-936","page","type-page","status-publish","has-post-thumbnail","hentry"],"blocksy_meta":[],"jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/P2Y7Kk-f6","_links":{"self":[{"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/pages\/936","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/comments?post=936"}],"version-history":[{"count":1,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/pages\/936\/revisions"}],"predecessor-version":[{"id":4135,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/pages\/936\/revisions\/4135"}],"up":[{"embeddable":true,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/pages\/917"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/media\/2545"}],"wp:attachment":[{"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/media?parent=936"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}