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If the force and the displacement are at...

If the force and the displacement are at an angle of `180^(@)`, then work done is:

A

F.S

B

`-F.S`

C

0

D

`F-S`

Text Solution

Verified by Experts

The correct Answer is:
B
`W=FScostheta`
`theta=180^(@)`
`thereforecos180^(@)=-1`
`therefore W=-F.S`
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