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Question 30313
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Rigid Body Dynamics: MOI — Rod MCQ

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MOI — RodMediumQuestion 30313

Question

The moment of inertia of a uniform rod (mass M, length L) about its centre, perpendicular to its length, is:
  1. A
    ML²/12
    Correct
  2. B
    ML²/3
  3. C
    ML²/4
  4. D
    ML²

Correct answer

ML²/12

Explanation

I_rod (centre) = ML²/12. About one end: I = ML²/3.

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