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Unread 06-01-2011, 18:58
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Ether Ether is offline
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Re: 4" vs. 6" vs. 8" wheels. Advantages?

Quote:
Originally Posted by Chris is me View Post
If you're going to assert reality contradicts physics,
"F= uN" is physics

"u = constant" is an engineering approximation... which may or may not be a good approximation depending on material properties.