JEE Physics · Easy

Rigid Body Dynamics: Torque MCQ

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

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TorqueEasyQuestion 30301

Question

Torque is defined as:
  1. A
    Force × distance
  2. B
    Force × perpendicular distance from axis
    Correct
  3. C
    Mass × angular acceleration
  4. D
    Linear momentum × radius

Correct answer

Force × perpendicular distance from axis

Explanation

Torque τ = r × F. For a force F at perpendicular distance r from the axis, τ = rF (for perpendicular case).