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A block of mass 10 kg is put gently on a...

A block of mass 10 kg is put gently on a belt-conveyor system of infinite length at t = 0, which is moving with constant speed `20 m//sec` towards right at all time.

A constant force of magnitude 15 N is applied on the block continuously during its motion.
Work done by the kinetic friction on the block of mass 10 kg is

A

1250 J

B

2500 J

C

`-1250 J`

D

`-2500 J`

Text Solution

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The correct Answer is:
A
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