Physics · Work and Energy
Which of the following conditions is NOT necessary for mechanical work to be done on a body?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The force must have a component along the direction of displacement.
- 2The body must get displaced.
- 3The body must move at a constant speed.✓
- 4A force must be applied on the body.
Correct answer
The body must move at a constant speed.
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