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Work done by a force vecF =(hati+2hatj+3...

Work done by a force `vecF =(hati+2hatj+3hatk)`N acting on a particle in displacing it from the point `vecr_2=hati-hatj+2hatk` to the point `vecr_1=hati+hatj+hatk` is

A

`-3 J`

B

`1J`

C

zero

D

`2J`

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The correct Answer is:
B
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CHHAYA PUBLICATION-WORK AND ENERGY-EXERCISE (Multiple Choice Questions)
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