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What is the work done by the gravity whe...

What is the work done by the gravity when an object of mass m is taken from ground to some height h with constant velocity ?

A

W=mgh

B

W= -mgh

C

W=0

D

W = 2mgh

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The correct Answer is:
B
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SURA PUBLICATION-GOVT. MODEL QUESTION PAPER - 1-PART - IV
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