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The work done by a force is defined by W...

The work done by a force is defined by `W=vecF cdot vecS`. In certain situation `vecF` and `vecS are not equal to zero BUT workdone is zero.From this we conclude that

A

`vecF and vecS` are in same direction

B

`vecF and vecS` are in opposite direction

C

`vecF and vecS` are at right angle

D

FgtS.

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Verified by Experts

The correct Answer is:
C
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