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A block is constrained to move along xax...

A block is constrained to move along `x`axis under a force `F=-(2x)N`. Find the work done by the force when the block is displaced from `x=2 m` to `x = 4m`

A

`12J`

B

`8J`

C

`-12J`

D

`-8J`

Text Solution

Verified by Experts

The correct Answer is:
C
`W = underset(x_(i))overset(x_(f))int f(x)dx`
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