{"id":876,"date":"2013-01-20T07:38:20","date_gmt":"2013-01-20T04:38:20","guid":{"rendered":"http:\/\/dorjegurung.com\/sciblog\/?page_id=876"},"modified":"2026-03-12T18:31:17","modified_gmt":"2026-03-12T18:31:17","slug":"puzzler-4-propelling-the-boat","status":"publish","type":"page","link":"https:\/\/www.dorjegurung.com\/sciblog\/myp2-3-science\/term-1-puzzlers\/puzzler-4-propelling-the-boat\/","title":{"rendered":"Puzzler #4. Propelling the Boat"},"content":{"rendered":"\n<p>A rope&nbsp;has been tied&nbsp;to the stern of a small boat floating in still water.&nbsp; Is it possible for someone standing in the boat to propel it forward by jerking on the free end of the rope?<\/p>\n\n\n\n<p>Now consider a space capsule drifting in space. Could it be propelled by similar means?<\/p>\n\n\n\n<p>Concepts involved:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>friction, force of friction, impulse, action and reaction.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>A rope&nbsp;has been tied&nbsp;to the stern of a small boat floating in still water.&nbsp; Is it possible for someone standing in the boat to propel it forward by jerking on the free end of the rope? Now consider a space capsule drifting in space. Could it be propelled by similar means? Concepts involved:<\/p>\n","protected":false},"author":6,"featured_media":2519,"parent":860,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"class_list":["post-876","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-e8","_links":{"self":[{"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/pages\/876","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=876"}],"version-history":[{"count":1,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/pages\/876\/revisions"}],"predecessor-version":[{"id":4151,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/pages\/876\/revisions\/4151"}],"up":[{"embeddable":true,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/pages\/860"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/media\/2519"}],"wp:attachment":[{"href":"https:\/\/www.dorjegurung.com\/sciblog\/wp-json\/wp\/v2\/media?parent=876"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}