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The block of mass 'm' initially at x=0 i...

The block of mass 'm' initially at `x=0` is acted upon by a horizontal force `F=a-bx` as shown in the figure. The coefficient of friction between the surfaces of contact is `mu`. The net work done on the block is zero if the block travels a distance of ________ .

A

`(a-mumg)//2b`

B

`(a-mumg)//b`

C

`2(a-mu mg)//b`

D

`(a-2mu mg)//b`

Text Solution

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The correct Answer is:
C
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