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The angular acceleration is known as the rate of change of _________.
1. angular displacement
2. angular momentum
3. angular velocity
4. None of the above

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Correct Answer - Option 3 : angular velocity


  • Angular displacement (θ): The angular displacement of a body is the angle in degrees or radians or revolutions through which a point revolves around a point or axis.
  • Angular velocity (ω): How fast the angular position or orientation of an object changes with time or How fast an object rotates or revolves relative to another point is known as angular velocity.
    • It is the rate of change of angular displacement.​
  • Angular acceleration (α): The rate of change of angular velocity is known as angular acceleration.
  • Angular momentum (L): The moment of momentum is known as angular momentum.


  • The rate of change of angular velocity is known as angular acceleration. 


\(\alpha = {d\omega \over dt}\)

  • So the correct answer is option 3.

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