Home/
Competitive Exams/
JEE Main & Advanced/
Physics/
Rigid Body Dynamics/
Question 30335
JEE Physics · Hard

Rigid Body Dynamics: Torque — Non-perpendicular MCQ

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

Timer-based practiceDetailed answer reviewMobile-friendly flow
Torque — Non-perpendicularHardQuestion 30335

Question

A force F acts at angle θ to a lever arm of length r. The torque magnitude is:
  1. A
    Fr cosθ
  2. B
    Fr sinθ
    Correct
  3. C
    Fr tanθ
  4. D
    F/r sinθ

Correct answer

Fr sinθ

Explanation

τ = |r × F| = rF sinθ, where θ is the angle between r and F vectors.

Review Rigid Body Dynamics notesStart timed chapter practice