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July 3, 2015

Homework Help: physics

Posted by Joey on Friday, February 8, 2013 at 11:24am.

A bicycle wheel has a diameter of 57.7 cm
and a mass of 2.66 kg. The bicycle is placed
on a stationary stand and a resistive force of
156 N is applied tangent to the rim of the tire.
Assume that the wheel is a hoop with all of
the mass concentrated on the outside radius.
In order to give the wheel an acceleration of
4.67 rad/s
2
, what force must be applied by a
chain passing over a 3 cm diameter sprocket?
Answer in units of N

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