Question:

In which of the following condition the work done by a force is zero?

  • The force acts on a body at an angle 180° to the direction of its displacement.
  • The force acts on a body at an angle 120° to the direction of its displacement.
  • The force acts on a body at an angle 90° to the direction of its displacement.
  • The force acts on a body at an angle 0° to the direction of its displacement.
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The Correct Option is C

Solution and Explanation

The correct option is (C): The force acts on a body at an angle 90° to the direction of its displacement.
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