two identical metal spheres each of diameterd, are kept in contact .Then gravitational force between them is proportional to
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directly proportional to product of the masses and inversely proportional to the square of the diameter of any one sphere that is, the distance between the centre of the two metal spheres.
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Answer:
d^2
Explanation:
the mass of each sphere is given by:
M=volume×density=34πr2×d
now distance between the centers of the two spheres =2r so gravitational force between them (F)=(2r)2GMM
⇒F=9×416Gπ2r2d2r6
So F is directly proportional to d^2
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