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A block of mass .m. is pulled by a force...

A block of mass .m. is pulled by a force .F. on a level surface through a distance .S., then

A

The work done on the body against gravitational force is zero

B

The work done on the body against gravitational force is mgS

C

The work done on the body against its weight is F.S

D

The work done on the body against friction is mgS

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A
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AAKASH SERIES-WORK, POWER & ENERGY -EXERCISE - I
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  4. body against friction is mgS 12.

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