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Standard IX

Physics

Universal Law of Gravitation

Two spheres o...

Question

Two spheres of mass $m$ and $M$ are situated in the air and the gravitational force between them is $F$ . The space around the masses is now filled with a liquid of specific gravity $3$ . The gravitational force will now be :

F

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F / 3

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F / 6

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3 F

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Solution

The correct option is A $F$
As gravitational force does not depends upon the medium in which system is placed, so, force between them will not change.
$F = \frac{G M . m}{R^{2}}$

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Two spheres of mass m and M are situated in the air and the gravitational force between them is F. The space around the masses is now filled with a liquid of specific gravity 3. The gravitational force will now be :

The correct option is A FAs gravitational force does not depends upon the medium in which system is placed, so, force between them will not change. F=GM.mR2

Two spheres of mass $m$ and $M$ are situated in the air and the gravitational force between them is $F$ . The space around the masses is now filled with a liquid of specific gravity $3$ . The gravitational force will now be :

The correct option is A $F$
As gravitational force does not depends upon the medium in which system is placed, so, force between them will not change.
$F = \frac{G M . m}{R^{2}}$