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Question 6167
NEET Physics · Hard

System of Particles & Rotational Motion: Rolling Motion MCQ

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Rolling MotionHardQuestion 6167

Question

A solid sphere of radius R rolls without slipping. Ratio of rotational KE to translational KE:
  1. A
    2/5
    Correct
  2. B
    5/2
  3. C
    2/7
  4. D
    7/5

Correct answer

2/5

Explanation

KE_rot/KE_trans = (½×2MR²/5×v²/R²)/(½Mv²) = (2/5)/(1) = 2/5.

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