Re: Physics Questions

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#64

From: Jim Harpel
Date: Fri, 12 May 1995 00:00

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>My senior physics class had some questions that I need help with.
>(You may want to reply to these separately?)
>
>1. What is the difference between centre of mass and centre of gravity?
>   (preferrably withexamples of the difference if there is one).
As long as gravitational field is constant, CM and CG are identical. But in
a nonumiform gravitational field CM and CG are different. I think a CG
calculation would involve g(x) rather than mass.

Hope this helps,
Jim harpel
Ladue High School
Ladue Missouri

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From: Jim Harpel <jym@HOWDY.WUSTL.EDU>
Subject: Re: Physics Questions
Date: 1995/05/12
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