Question

Two spheres of masses 16Kg and 4Kg are separated by a distance of 30m .Find out the distance from sphere of mass 16Kg at which the net gravitational force becomes zero.​

Answer 1

Explanation:

Gravitational force on a mass m at a distance x from 16 kg mass is

x

2

16Gm

.

Gravitational force on the mass due to 4kg in the opposite direction is

(30−x)

2

4Gm

For net force to be zero on the mass,

x

2

16Gm

=

(30−x)

2

4Gm

⟹x=20 m

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