Question

If no external torque acts on a body, will its angular velocity remain constant ? Give reason.​

Answer 1

Answer:

If no external torque acts on a body, its angular velocity remains conserved. Explanation: If no external torque acts on a body, its angular velocity is not conserved but angular momentum is conserved. ... Hence the angular momentum of the heavenly body remains constant over its entire orbit.

Explanation:

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Answer 2

Answer:

If no external torque acts on a body ,angular velocity will not be constant.

Explanation:

Angular velocity is depends on the rate of time at which an objects or body can rotates about an axis or angular displacement can also be done between two bodies.

Angular Momentum =$L=Iw$ ; where I =Rotational inertia and w is angular velocity.

So, If no external torque acts on a body ,it's angular momentum is constant or conserved but angular velocity can be change.

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