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Two identical spheres each of mass M and...

Two identical spheres each of mass M and Radius R are separated by a distance 10R. The gravitational force on mass m placed at the midpoint of the line joining the centres of the spheres is

A

`(12)/(7)m u`

B

`(6)/(7)m u`

C

`(2sqrt3)/(7) m u`

D

`(8)/(7)m u`

Text Solution

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The correct Answer is:
A
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