Test Academy | A uniform ring of mass m is lying at a distance 1.73 a from the centre of a sphere of mass M just over the sphere where a is the small radius of the ring as well as that of the sphere. Then gravitational force exerted is GMm/8a², GMm/(1.73a)², √3 GMm/a², 1.73 GMm/8a²

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A uniform ring of mass m is lying at a distance 1.73 a from the centre of a sphere of mass M just over the sphere where a is the small radius of the ring as well as that of the sphere. Then gravitational force exerted is

Options :

GMm/8a²
GMm/(1.73a)²
√3 GMm/a²
1.73 GMm/8a²

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