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A body constrained to move along the z-a...

A body constrained to move along the z-axis of a coordinate system is subject to a constant force F given by `F = hati + 2hatj + 3hatk`. What is the work done by this force in moving the body a distance of 4 m along the z-axis ?

A

`12 J`

B

`24 J`

C

`48 J`

D

`6 J`

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The correct Answer is:
A
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