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In a certain situation , vec F and vec S...

In a certain situation , `vec F` and `vec S` are not equal to zero but the work done is zero from this , we conclude that

A

`vec F` and `vec S` are at right angles

B

`vec F gt barS`

C

`vec F` and `vec S` are in the same direction

D

`vec F` and `vec S` are in the opposite direction

Text Solution

Verified by Experts

The correct Answer is:
A
`W = F S cos 90^(@) = zero`
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