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Forces acting on a particle have magnitu...

Forces acting on a particle have magnitude of 14N, 7N and 7N act in the direction of vectors
`6hat(i)+2hat(j)+3hat(k),3hat(i)-2hat(j) +6hat(k),2hat(i)-3hat(j)-6hat(k)`
respectively. The forces remain constant while the particle is displaced from point A: (2,-1,-3) to B: (5,-1,1). Find the work done. The coordinates are specified in meters.

A

75 J

B

55 J

C

85 J

D

65 J

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A
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