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If a rigid body rotates about a fixed axis, which of the following quantities re

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Question: If a rigid body rotates about a fixed axis, which of the following quantities remains constant?

Options:

  1. Angular velocity
  2. Angular acceleration
  3. Moment of inertia
  4. Torque

Correct Answer: Angular velocity

Solution: 

If no external torques act on the body, the angular velocity can remain constant during rotation.

If a rigid body rotates about a fixed axis, which of the following quantities re

Practice Questions

Q1
If a rigid body rotates about a fixed axis, which of the following quantities remains constant?
  1. Angular velocity
  2. Angular acceleration
  3. Moment of inertia
  4. Torque

Questions & Step-by-Step Solutions

If a rigid body rotates about a fixed axis, which of the following quantities remains constant?
  • Angular Momentum Conservation – In the absence of external torques, the angular momentum of a rigid body rotating about a fixed axis remains constant.
  • Rigid Body Dynamics – Understanding the behavior of rigid bodies under rotation, including the effects of torque and angular velocity.
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