{"version":"1.0","provider_name":"Seeing and Touching Structural Concepts","provider_url":"https:\/\/www.sites.se.manchester.ac.uk\/structural-concepts","title":"Concepts: Dynamics - Seeing and Touching Structural Concepts","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"dSlkuk1Jyn\"><a href=\"https:\/\/www.sites.se.manchester.ac.uk\/structural-concepts\/concepts-dynamics\/\">Concepts: Dynamics<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.sites.se.manchester.ac.uk\/structural-concepts\/concepts-dynamics\/embed\/#?secret=dSlkuk1Jyn\" width=\"600\" height=\"338\" title=\"&#8220;Concepts: Dynamics&#8221; &#8212; Seeing and Touching Structural Concepts\" data-secret=\"dSlkuk1Jyn\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.sites.se.manchester.ac.uk\/structural-concepts\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","description":"&lt;\u2014Dynamics: Energy Exchange\u2014&gt; &lt;\u2014Definition and Concepts\u2014&gt; Energy Exchange Conservative systems:&nbsp;A system is said to be conservative if no energy is added or lost from the system during movement. This is an idealised system but one that can be used to aid the solution of many problems. In real structures internal friction forces will do work [&hellip;]","thumbnail_url":"https:\/\/www.sites.se.manchester.ac.uk\/structural-concepts\/wp-content\/uploads\/sites\/32\/2021\/10\/Energy-Exchange-Model-1-A-Moving-Wheel.jpg","thumbnail_width":320,"thumbnail_height":240}