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A body constrained to move in z directio...

A body constrained to move in z direction is subjected to a force given by `vecF=(3hati-10hatj+5hatk)N.` What is the work done by this force in moving the body through a distance of 5 m along z-axis?

A

15 J

B

`-15J`

C

`-50J`

D

`25 J`

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The correct Answer is:
D
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