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Force acting on a block moving along x-a...

Force acting on a block moving along x-axis is given by
`F = - ((4)/(x^(2)+2))N`
The block is displaced from `x = - 2m` to `x = + 4m`, the work done will be

A

positive

B

negative

C

zero

D

may be positive or negative

Text Solution

Verified by Experts

The correct Answer is:
B
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