Question

2. Isolated uniform hollow sphere of mass M and radius
R has a point mass m placed at its centre as shown
in figure. Find out the work done in moving the point
mass from the centre to a point A
(1) Gm M/R
(2) 2 Gm M/R
(3) -2 Gm M/R
(4) Zero​

Answer 1

Answer:

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