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Question 6139
NEET Physics · Hard

System of Particles & Rotational Motion: Rolling Motion MCQ

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Rolling MotionHardQuestion 6139

Question

A solid sphere, hollow sphere and disc are released from same height on an incline. Order reaching bottom (fastest first):
  1. A
    Disc, solid sphere, hollow sphere
  2. B
    Solid sphere, disc, hollow sphere
    Correct
  3. C
    All same time
  4. D
    Hollow sphere first

Correct answer

Solid sphere, disc, hollow sphere

Explanation

Lower I/MR² means faster rolling: solid sphere (2/5) < disc (1/2) < hollow sphere (2/3). Order: solid sphere, disc, hollow sphere.

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