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Rigid Body Dynamics: Moment of Inertia MCQ

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Moment of InertiaEasyQuestion 30303

Question

The moment of inertia of a body depends on:
  1. A
    Mass only
  2. B
    Shape and distribution of mass relative to the axis
    Correct
  3. C
    Volume only
  4. D
    Speed of rotation

Correct answer

Shape and distribution of mass relative to the axis

Explanation

I = Σmᵢrᵢ². The distribution of mass relative to the rotation axis determines moment of inertia.

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