Re: Porch Swing Dynamics

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Posted by Will (207.223.241.117) on September 10, 2003 at 11:29:21:

In Reply to: Re: Porch Swing Dynamics posted by Rob on September 10, 2003 at 11:26:18:

Case in point.

: Yes, you move your legs using your muscles, not the force of gravity. If you let your legs swing like pedulums the porch swing will slow down. Your muscles require energy, so as long as you can keep stealing that apple pie that grandma puts out on the porch to cool, you can keep that swing going indefinitely.

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Comments:	: Case in point. : : : Yes, you move your legs using your muscles, not the force of gravity. If you let your legs swing like pedulums the porch swing will slow down. Your muscles require energy, so as long as you can keep stealing that apple pie that grandma puts out on the porch to cool, you can keep that swing going indefinitely.
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