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The strength of the force of gravity depends on

Athe masses of the objects and their speeds.
Bthe masses of the objects and the distance between them.
Cthe weight of the objects and their speeds.
Dthe masses of the objects and their weights.

Verified Answer :

AL2006

The strength of the forces of gravity between two objects is completely
determined by their masses and the distance between them.

Their speeds have no effect on the gravitational force, and their weight
IS the gravitational force.

The correct answer to the question is : B) The masses of the objects and the distance between them.

EXPLANATION :

Before going to answer this question, first we have to understand Newton's law of gravitation.

As per Newton's law of gravitation, everybody in the universe attracts every other body with a force called gravitational force or force of gravity which is directly proportional to the product of masses of the two bodies, and inversely proportional to the square of separation distance between them.

Let us consider two bodies of masses M and M' which are separated by a distance R.

The gravitational force acting between them is calculated as -

                           Gravitational force \(F=\ G\frac{MM'}{R^2}\)

Here, G is known as universal gravitational force constant.          

From above, we see that force of gravity depends on the masses of the objects and the distance between them.

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