Question

question 25

A net torque of 7.2 Nm acts on a 3.9 kg disk turntable of radius 12.4 cm. This net torque causes the disk turntable to rotate about its natural center axis of rotation. The magnitude of the angular acceleration = _________rad/ s². The moment of inertia of the disk is given by 0.5MR².

Answer 1

Given the mass of the disk,

Radius of the disk,

So,the moment of inertia of the disk about the natural centre axis of rotation,

We have the net torque acts on the disk,

Let the angular acceleration of the rotation of the disk be,,

We have the net torque acts on the disk,

So,the angular acceleration,

So,the angular acceleration of the rotation of the disk,

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