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Question 6127
NEET Physics · Medium

System of Particles & Rotational Motion: Angular Momentum MCQ

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Angular MomentumMediumQuestion 6127

Question

A skater pulls arms in. Moment of inertia decreases. Angular velocity:
  1. A
    Decreases
  2. B
    Increases
    Correct
  3. C
    Stays same
  4. D
    Becomes zero

Correct answer

Increases

Explanation

L = Iω = constant. If I decreases, ω increases.

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