Question

what are the conditions in which work done is zero​

Answer 1

Answer:

When force and displacement are perpendicular to each other, or when force or displacement is zero. Example: When we hold an object and walk, the force acts in a downward direction whereas displacement acts in the forward direction.

Explanation:

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Answer 2

Explanation:

work done is zero when the angle between the force and displacement is 90 degree as cos90 is zero so work done is zero.

W = F.S COSX

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