Question

Q1.
Two spheres of masses My and M2 separated by a distance d are situated in air and the gravitational force
of attraction between them is F. If the two spheres are kept in a liquid of specific gravity 5 then the
gravitational force between them will be
(A) 5F
(B) F
(C) F
(D) VE​

Answer 1

Answer:

Gravitational force is a non contact force .

It's magnitude depends on the masses of the bodies, the separation distance and universal gravitational constant.

But you must remember the most important fact about gravitational force.

It is such a non contact force which is independent of the medium in which the bodies have been kept.

Gravitational force doesn't depend upon any physical quantities of a medium, i.e it is independent of specific gravity, refractive index, etc.

So force in air (as per the question) is F.

Therefore the force in the new medium will still be "F" because of the above

reasons.

So the correct answer is "F".