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Old 06-04-2009, 11:31 PM   #466
prhom prhom is offline
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Quote:
Originally Posted by cdcox View Post
The problem statement (at least some versions of it) say the treadmill moves at the same rate as the wheels of the plane.

This statement causes a violation of Newton's second law.
It doesn't really violate it so much as complicate it by making it a dynamics problem where you have to account for rotational acceleration and momentum. Not a simple force balance.
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