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A force vecF=6hati+2hatj-3hatk acts on a...

A force `vecF=6hati+2hatj-3hatk` acts on a particle and produces a displacement of `vecs=2hati-3hatj+xhatk`. If the work done is zero, the value of x is

A

4

B

3

C

-2

D

2

Text Solution

Verified by Experts

The correct Answer is:
D
Work done by the gravitational force = 0
`W = mg xx 0 =0`
There is no displacement in the vertical direction.
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