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Question 6138
NEET Physics · Medium

System of Particles & Rotational Motion: Rotational KE MCQ

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Rotational KEMediumQuestion 6138

Question

Rotational KE of flywheel (I = 2 kg·m², ω = 10 rad/s):
  1. A
    100 J
    Correct
  2. B
    200 J
  3. C
    20 J
  4. D
    10 J

Correct answer

100 J

Explanation

KE_rot = ½Iω² = ½×2×100 = 100 J.

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