Vijay is pulling a block with 22 N force and Gopal is pulling it with 10 N force in opposite direction. The block moves a distance of 6.5 m. Find the net work done.
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
Work done = Force × displacement =(22−10)×6.5=12×6.5 = 78 J