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		<id>http://wiki.sommarmatte.se/wikis/2009/bridgecoursemechanics/index.php?action=history&amp;feed=atom&amp;title=14._Video</id>
		<title>14. Video - Revision history</title>
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		<updated>2026-04-07T22:15:38Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://wiki.sommarmatte.se/wikis/2009/bridgecoursemechanics/index.php?title=14._Video&amp;diff=1768&amp;oldid=prev</id>
		<title>Ian at 14:44, 27 April 2011</title>
		<link rel="alternate" type="text/html" href="http://wiki.sommarmatte.se/wikis/2009/bridgecoursemechanics/index.php?title=14._Video&amp;diff=1768&amp;oldid=prev"/>
				<updated>2011-04-27T14:44:31Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;

			&lt;table style=&quot;background-color: white; color:black;&quot;&gt;
			&lt;col class='diff-marker' /&gt;
			&lt;col class='diff-content' /&gt;
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				&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;←Older revision&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 14:44, 27 April 2011&lt;/td&gt;
			&lt;/tr&gt;
		&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 34:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 34:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|- &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|- &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;| '''&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;Feather and Ball in &lt;/del&gt;a &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;Vacuum&lt;/del&gt;'''&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;| '''&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;Balance &lt;/ins&gt;a &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;Body&lt;/ins&gt;'''&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|valign=&amp;quot;top&amp;quot;|&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|valign=&amp;quot;top&amp;quot;|&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|- &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|- &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;| [[Image:&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;Vacuum&lt;/del&gt;.jpg]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;| [[Image:&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;Balance &lt;/ins&gt;.jpg]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|valign=&amp;quot;top&amp;quot;| This &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;video &lt;/del&gt;clip &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;compares &lt;/del&gt;the &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;motion &lt;/del&gt;of a &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;ball &lt;/del&gt;and &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;a feather, when falling through &lt;/del&gt;the &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;atmosphere and when falling in a vacuum&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|valign=&amp;quot;top&amp;quot;| This clip &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;shows how to find &lt;/ins&gt;the &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;point at which the weight &lt;/ins&gt;of a &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;human body acts (when lying on a plank) &lt;/ins&gt;and &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;that &lt;/ins&gt;the &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;body can be balanced at this point&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;http://www.youtube.com/watch?v=&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;_XJcZ&lt;/del&gt;-&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;KoL9o&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;http://www.youtube.com/watch?v=&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;bNlTX4_ZX&lt;/ins&gt;-&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;k&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Ian</name></author>	</entry>

	<entry>
		<id>http://wiki.sommarmatte.se/wikis/2009/bridgecoursemechanics/index.php?title=14._Video&amp;diff=1766&amp;oldid=prev</id>
		<title>Ian at 14:41, 27 April 2011</title>
		<link rel="alternate" type="text/html" href="http://wiki.sommarmatte.se/wikis/2009/bridgecoursemechanics/index.php?title=14._Video&amp;diff=1766&amp;oldid=prev"/>
				<updated>2011-04-27T14:41:53Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;

			&lt;table style=&quot;background-color: white; color:black;&quot;&gt;
			&lt;col class='diff-marker' /&gt;
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				&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;←Older revision&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 14:41, 27 April 2011&lt;/td&gt;
			&lt;/tr&gt;
		&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 22:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 22:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|- &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|- &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;| '''&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;Feather and Ball in a Vacuum&lt;/del&gt;'''&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;| '''&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;The Suspended Beam&lt;/ins&gt;'''&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|valign=&amp;quot;top&amp;quot;|&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|valign=&amp;quot;top&amp;quot;|&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|- &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|- &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;| [[Image:&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;Vacuum&lt;/del&gt;.jpg]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;| [[Image:&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;Beam&lt;/ins&gt;.jpg]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|valign=&amp;quot;top&amp;quot;| &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;This video &lt;/del&gt;clip &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;compares &lt;/del&gt;the &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;motion of &lt;/del&gt;a &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;ball and a feather, when falling through &lt;/del&gt;the &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;atmosphere and when falling in a vacuum&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|valign=&amp;quot;top&amp;quot;| &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;In this &lt;/ins&gt;clip the &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;forces acting on &lt;/ins&gt;a &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;suspended beam are calculated using moments. The results are also confirmed by looking at &lt;/ins&gt;the &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;readings on two force meters&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;nbsp;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;nbsp;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;http://www.youtube.com/watch?v=RC8J1jO0gWw&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;http://www.youtube.com/watch?v=_XJcZ-KoL9o&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;nbsp;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Ian</name></author>	</entry>

	<entry>
		<id>http://wiki.sommarmatte.se/wikis/2009/bridgecoursemechanics/index.php?title=14._Video&amp;diff=1764&amp;oldid=prev</id>
		<title>Ian at 14:38, 27 April 2011</title>
		<link rel="alternate" type="text/html" href="http://wiki.sommarmatte.se/wikis/2009/bridgecoursemechanics/index.php?title=14._Video&amp;diff=1764&amp;oldid=prev"/>
				<updated>2011-04-27T14:38:46Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;

			&lt;table style=&quot;background-color: white; color:black;&quot;&gt;
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				&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;←Older revision&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 14:38, 27 April 2011&lt;/td&gt;
			&lt;/tr&gt;
		&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 10:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 10:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;{| width=&amp;quot;500px&amp;quot; cellspacing=&amp;quot;10px&amp;quot; align=&amp;quot;center&amp;quot; border=&amp;quot;1&amp;quot;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;{| width=&amp;quot;500px&amp;quot; cellspacing=&amp;quot;10px&amp;quot; align=&amp;quot;center&amp;quot; border=&amp;quot;1&amp;quot;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;| '''&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;Feather and Hammer on &lt;/del&gt;the &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;Moon&lt;/del&gt;'''&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;| '''&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;Finding &lt;/ins&gt;the &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;Mass of a Metre Rule&lt;/ins&gt;'''&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;| valign=&amp;quot;top&amp;quot;| &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;| valign=&amp;quot;top&amp;quot;| &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|- &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;|- &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;| [[Image:&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;Moon&lt;/del&gt;.JPG]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;| [[Image:&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;Rule&lt;/ins&gt;.JPG]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;| valign=&amp;quot;top&amp;quot;| &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;The Apollo astronauts conducted &lt;/del&gt;the &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;now famous experiment where the drop &lt;/del&gt;a &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;hammer and &lt;/del&gt;a &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;feather on the moon&lt;/del&gt;. &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;Due to the lack of atmosphere the two objects fall together under only the influence of gravity&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;| valign=&amp;quot;top&amp;quot;| &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;This clip shows how &lt;/ins&gt;the &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;mass of &lt;/ins&gt;a &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;metre rule can be determined by using moments. It is &lt;/ins&gt;a &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;very simple experiment that you can easily try out yourself&lt;/ins&gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;nbsp;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;nbsp;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;http://www&lt;/ins&gt;.&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;youtube.com/watch?v=YdbNazqkG1M&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;http://www.youtube.com/watch?v=5C5_dOEyAfk&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;nbsp;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Ian</name></author>	</entry>

	<entry>
		<id>http://wiki.sommarmatte.se/wikis/2009/bridgecoursemechanics/index.php?title=14._Video&amp;diff=1752&amp;oldid=prev</id>
		<title>Ian: New page: __NOTOC__ {| border=&quot;0&quot; cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; height=&quot;30&quot; width=&quot;100%&quot; | style=&quot;border-bottom:1px solid #797979&quot; width=&quot;5px&quot; | &amp;nbsp; {{Not selected tab|[[14. Moments and equilib...</title>
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				<updated>2011-04-27T13:43:59Z</updated>
		
		<summary type="html">&lt;p&gt;New page: __NOTOC__ {| border=&amp;quot;0&amp;quot; cellspacing=&amp;quot;0&amp;quot; cellpadding=&amp;quot;0&amp;quot; height=&amp;quot;30&amp;quot; width=&amp;quot;100%&amp;quot; | style=&amp;quot;border-bottom:1px solid #797979&amp;quot; width=&amp;quot;5px&amp;quot; | &amp;amp;nbsp; {{Not selected tab|[[14. Moments and equilib...&lt;/p&gt;
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{{Not selected tab|[[14. Moments and equilibrium|Theory]]}}&lt;br /&gt;
{{Not selected tab|[[14. Exercises|Exercises]]}}&lt;br /&gt;
{{Selected tab|[[14. Video|Video]]}}&lt;br /&gt;
| style=&amp;quot;border-bottom:1px solid #797979&amp;quot;  width=&amp;quot;100%&amp;quot;| &amp;amp;nbsp;&lt;br /&gt;
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{| width=&amp;quot;500px&amp;quot; cellspacing=&amp;quot;10px&amp;quot; align=&amp;quot;center&amp;quot; border=&amp;quot;1&amp;quot;&lt;br /&gt;
| '''Feather and Hammer on the Moon'''&lt;br /&gt;
| valign=&amp;quot;top&amp;quot;| &lt;br /&gt;
&lt;br /&gt;
|- &lt;br /&gt;
| [[Image:Moon.JPG]]&lt;br /&gt;
| valign=&amp;quot;top&amp;quot;| The Apollo astronauts conducted the now famous experiment where the drop a hammer and a feather on the moon. Due to the lack of atmosphere the two objects fall together under only the influence of gravity.&lt;br /&gt;
&lt;br /&gt;
http://www.youtube.com/watch?v=5C5_dOEyAfk&lt;br /&gt;
&lt;br /&gt;
 &lt;br /&gt;
|- &lt;br /&gt;
| '''Feather and Ball in a Vacuum'''&lt;br /&gt;
|valign=&amp;quot;top&amp;quot;|&lt;br /&gt;
|- &lt;br /&gt;
| [[Image:Vacuum.jpg]]&lt;br /&gt;
|valign=&amp;quot;top&amp;quot;| This video clip compares the motion of a ball and a feather, when falling through the atmosphere and when falling in a vacuum.&lt;br /&gt;
&lt;br /&gt;
http://www.youtube.com/watch?v=_XJcZ-KoL9o&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
 &lt;br /&gt;
|- &lt;br /&gt;
| '''Feather and Ball in a Vacuum'''&lt;br /&gt;
|valign=&amp;quot;top&amp;quot;|&lt;br /&gt;
|- &lt;br /&gt;
| [[Image:Vacuum.jpg]]&lt;br /&gt;
|valign=&amp;quot;top&amp;quot;| This video clip compares the motion of a ball and a feather, when falling through the atmosphere and when falling in a vacuum.&lt;br /&gt;
&lt;br /&gt;
http://www.youtube.com/watch?v=_XJcZ-KoL9o&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
|}&lt;/div&gt;</summary>
		<author><name>Ian</name></author>	</entry>

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