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A block of mass 2 kg is plased on a smoo...

A block of mass 2 kg is plased on a smooth horizontal surface. Two forces `F_(1)=20` N and `F_(2)=5` N start acting on the block in opposite directions as shown. If block gets displaced by 5 m in the direction of net force then work done by `F_(2)` is :-

A

`-75 J`

B

75 J

C

`-25 J`

D

25 J

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • Two blocks A and B each of mass m are placed on a smooth horizontal surface. Two horizontal force F and 2F are applied on blocks A and B, respectively, as shown in fig. Block A does not slide on block B. Then then the normal reaction acting between the two blocks is (assume no friction between the blocks)

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