The motor of a merry-go-round exerts a constant torque on
Chapter , Problem 11(choose chapter or problem)
The motor of a merry-go-round exerts a constant torque on it. As it speeds up from rest, the power output of the motor (a) is constant, (b) increases linearly with the angular speed of the merry-go-round, (c) is zero, (d) none of the above.
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