JEE Physics · Easy

Rigid Body Dynamics: Rotational Newton's Second Law MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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Rotational Newton's Second LawEasyQuestion 30306

Question

The rotational analogue of Newton's second law is:
  1. A
    L = Iω
  2. B
    τ = Iα
    Correct
  3. C
    W = τθ
  4. D
    P = τω

Correct answer

τ = Iα

Explanation

Net torque = moment of inertia × angular acceleration: τ_net = Iα.