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April 25, 2014

Homework Help: physics

Posted by susane on Saturday, December 9, 2006 at 6:44pm.

If a wheel turns with a costant rotational speed then: each point on its rim moves with constant roational velocity, each point on its rim moves with constant translational acceleration, the wheel turns with constant translation acceleration, the wheel turns through equal angles in equal times, the angle through which the wheel turns in each second increases as time goes on, the angle through which the wheel turns in each second decreases as time goes on.


I thought if the wheel turns with a constant translational velocity along the rim because of the the equation v=wr. Am I right to think since along the rim will have the same radius as in a wheel.

the angle through which the wheel turns in each second increases as time goes on, the angle through which the wheel turns in each second decreases as time goes on.

This makes no sense to me.

Rim is an ill defined term. IN some instances, the rim is the steel part, the radius includes that and the depth of the rubber tire. But Rim can have other meanings.

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