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Gravitational force between a point mass...

Gravitational force between a point mass m and M separated by a distance is F. Now if a point mass 2m is placed next to m is contact with it. The force on M due to `m` and the total force on M are

A

2F, F

B

F, 2F

C

F, 3F

D

F, F

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The correct Answer is:
C
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