JEE Physics · Easy

Work, Power and Energy: Work Definition MCQ

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

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Work DefinitionEasyQuestion 30401

Question

Work done by a force F over displacement s at angle θ between them is:
  1. A
    Fs sinθ
  2. B
    Fs cosθ
    Correct
  3. C
    Fs tanθ
  4. D
    F/s cosθ

Correct answer

Fs cosθ

Explanation

W = F·s = Fs cosθ. Work is the dot product of force and displacement vectors.