Vijay and Gopal are pulling a block with 22 N force 10 N force respectively in opposite direction. If Vijay pulls the block by a total distance of 6.5 m towards himself. Find the net work done by the forces acting on the block.

12 J

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90 J

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85 J

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78 J

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Solution

The correct option is D
78 J

Net Force on the block = $22 N - 10 N = 12 N$

Displacement of the block = $6.5 m$

$W o r k d o n e = N e t f o r c e \times t o t a l D i s p l a c e m e n t = 12 N \times 6.5 m = 78 J$

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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.

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Vijay and Gopal are pulling a block with 22 N force 10 N force respectively in opposite direction. If Vijay pulls the block by a total distance of 6.5 m towards himself. Find the net work done by the forces acting on the block.

The correct option is D 78 J Net Force on the block = 22 N−10 N = 12 N Displacement of the block = 6.5 m Work done=Net force×total Displacement=12 N×6.5 m=78J

The correct option is D
78 J

Net Force on the block = $22 N - 10 N = 12 N$

Displacement of the block = $6.5 m$

$W o r k d o n e = N e t f o r c e \times t o t a l D i s p l a c e m e n t = 12 N \times 6.5 m = 78 J$