Question

A large spherical mass M is fixed at one position and two identical point masses m are kept on a line passing through the centre of M. The point masses are connected by a rigid massless rod of length and this assembly is free to move along the line connecting them. All three masses interact only through their mutual gravitational interaction. When the point mass nearer to M is at a distance from M, the tension in the rod is zero for . The value of k is

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JEE Advanced
Updated on : 2022-09-05
Solution
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Correct option is A)

Force on left mass m

Force on right mass m

When tension in the light rod is zero,

Solve any question of Gravitation with:-
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