Q. The work done by a force acting perpendicular to the displacement is:
✅ Correct Answer: (C)
Zero
Explanation: Work done W = Fs cosθ. When θ = 90°, cos90° = 0, hence work done is zero.
Explanation by: Jyoti
Work done W = Fs cosθ. When θ = 90°, cos90° = 0, hence work done is zero.