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A grinding wheel is initially at rest. A constant external
Chapter , Problem 60(choose chapter or problem)
A grinding wheel is initially at rest. A constant external torque of is applied to the wheel for giving the wheel an angular speed of The external torque is then removed, and the wheel comes to rest later. Find (a) the moment of inertia of the wheel, and (b) the frictional torque, which is assumed to be constant.
Questions & Answers
QUESTION:
A grinding wheel is initially at rest. A constant external torque of is applied to the wheel for giving the wheel an angular speed of The external torque is then removed, and the wheel comes to rest later. Find (a) the moment of inertia of the wheel, and (b) the frictional torque, which is assumed to be constant.
ANSWER:Step 1 of 7
We have to find the moment of inertia of a grindstone from the given data. We know