Asked by Tory

When a ceiling fan rotating with an angular speed of 1.65 rad/s is turned off, a frictional torque of 0.263 N·m slows it to a stop in 4.75 s. What is the moment of inertia of the fan?

Answers

Answered by drwls
First get the angular deceleration rate, alpha, using
alpha * 4.75 s = 1.65 rad/s
alpha = 0.347 rad/s^2

Then use Torque = I * alpha

Solve for I. You know the torque T already
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