How is the work done calculated when moving a particle from r1 to r2 against gravity (r2 > r1)? - GRAVITATION Quiz | GKFix.in

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Question

How is the work done calculated when moving a particle from r1 to r2 against gravity (r2 > r1)?

A. W12 = mg(r2 – r1)
B. W12 = GMEm (r2 – r1)
C. W12 = –GMEm (1/r2 – 1/r1)
D. W12 = ½mv²