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The gravitational field in a in region i...

The gravitational field in a in region is given by `vecg = (4hati + vecj) N//kg`. What done by this field is zero when the particle is moved along the line :

A

`y + 4x = 2`

B

`4y + x = 6`

C

`x + y = 5`

D

all of the above

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The correct Answer is:
A
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