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Re: Centripetal F from friction

At 10:09 AM 11/1/01 -0800, kowalskil wrote:
Suppose each of the back wheels has its own short axis
and that a mechanism is provided to allow different RPM.

Suppose????? We don't need to suppose. Have you ever seen a tricycle that
_didn't_ allow independent rotation of the rear wheels?

Non-independent rotation would indeed be a problem. But since they are
independent, what's the problem?