- #1
0pt618
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Let's ignore gravity in this problem for simplicity. For a wheel rolling without slipping on some surface, the rest point is the point at a given instant of time that is in contact with the surface (the rest point has zero instantaneous velocity). If the wheel is rolling at constant velocity, the instantaneous acceleration vector of the rest point points toward the center of the wheel.
Question: if the wheel is accelerating, in which direction is the instantaneous acceleration vector of the rest point?
(This is a question in the domain of classical mechanics, so all speeds are much less than the speed of light.)
Question: if the wheel is accelerating, in which direction is the instantaneous acceleration vector of the rest point?
(This is a question in the domain of classical mechanics, so all speeds are much less than the speed of light.)
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