What is the work done against gravity to move a mass from r1 to r2 (r2 > r1)? - GRAVITATION Quiz | GKFix.in

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Question

What is the work done against gravity to move a mass from r1 to r2 (r2 > r1)?

A. mg(r2 – r1)
B. GME m (1/r2 – 1/r1)
C. GME m (1/r1 – 1/r2)
D. Zero

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