A large turntable rotates about a fixed vertical axis, making one revolution in 5.50 s. A child of mass 32.0 kg, initially standing at the center of the turntable, runs out along a radius. When the child is 2.10 m from the center, the turntable makes one revolution in 6.70 s. What is the moment of inertia of the turntable? Note that you can treat the child as a point particle.

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Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.