Two bodies of masses m and 4 m are placed at a distance r . The gravitational potential at a point on the line joining them where the gravitational field is zero is:

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Position of the null point from mass m , x = 1 + m 4 m ​ ​ r ​ = 3 r ​ V = − G m ( r 3 ​ + 2 r 12 ​ ) = − 9 r G m ​

Physics - Gravitation Question with Solution | TestHub

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