While fixing your bicycle, you have your bike upside down. The front wheel, whic

Question

While fixing your bicycle, you have your bike upside down. The front wheel, which has a mass of 2.40 kg and a radius of 40.0 cm, is initially at rest. The rotational inertia is given by 0.9 m r 2. You apply a force at the outer edge of the wheel, and tangent to the wheel, of 5.00 N.
(a) Calculate the magnitude of the wheel's angular acceleration.
rad/s2
(b) Let's say the wheel's radius was actually 1.1 times the value given above. If you re-calculated the angular acceleration, you would find that the angular acceleration...
was unchanged
was increased by a factor of 1.1
was increased by a factor of 1.1 squared
was decreased by a factor of 1.1
was decreased by a factor of 1.1 squared

Explanation / Answer

5.87

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