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If no external torque acts on a body, its angular velocity remains conserved.

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in Engineering Physics I by (558k points)
If no external torque acts on a body, its angular velocity remains conserved.

(a) True

(b) False

This question was posed to me in an interview for job.

My doubt stems from Relation between Torque and Momentum in chapter System of Particles and Rotational Motion of Engineering Physics I

1 Answer

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Right choice is (b) False

Easy explanation: If no external torque acts on a body, its angular velocity is not conserved but angular momentum is conserved.

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