NEET Physics · Hard

System of Particles & Rotational Motion: Rotational Dynamics MCQ

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

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Rotational DynamicsHardQuestion 6154

Question

Torque 10 N·m acts on flywheel (I = 2 kg·m²). Angular acceleration:
  1. A
    20 rad/s²
  2. B
    5 rad/s²
    Correct
  3. C
    0.2 rad/s²
  4. D
    2 rad/s²

Correct answer

5 rad/s²

Explanation

α = τ/I = 10/2 = 5 rad/s².