On Jul 29, 2007, at 10:55 AM, Harry Veeder wrote:


No, and here is an argument without stopping the Earth's rotation.
Mount each supporting frame on its own turntable. A slight turn of each turntable will show that only the wheel with the braked released is rotating
about its own centre.

Harry,

You might help your understanding a great deal if you read Newton's laws and, whenever making (writing) a prediction about a physical outcome, site which law is in effect and the source of any forces involved to create the outcome. The process may at times change your mind about your predictions.

Newton's laws are here:

http://en.wiktionary.org/wiki/Newton%27s_first_law

It may also be useful to read and attempt to understand as much as possible about momentum and angular momentum:

http://en.wikipedia.org/wiki/Momentum
http://en.wikipedia.org/wiki/Angular_momentum


Horace Heffner
http://www.mtaonline.net/~hheffner/



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