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Question

# Vijay is pulling a block with 22 N force and Gopal is pulling it with 10 N force in opposite direction. Vijay is able to pull the block a total distance of 6.5 m. Find the net work done by the two forces.

A

12 J

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B

90 J

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C

85 J

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D

78 J

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Solution

## The correct option is D 78 J Two forces 22 N and 10 N are acting in opposite direction on the body. The net force acting on the block =(22-10) N =12 N Displacement of the body along the direction of the force is 6.5 m. Net Work done = Net force × total displacement =12×6.5=78J

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