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What happens as two objects grow bigger and heavier?

A. The centripetal force between them increases.

B. The force of gravity between them weakens.

C. The centripetal force between them decreases.

D. The force of gravity between them strengthens.

1 answer

As two objects grow bigger and heavier, the force of gravity between them strengthens. This is because the force of gravity is directly proportional to the masses of the objects; as their masses increase, the gravitational attraction between them also increases according to Newton's law of universal gravitation.

So, the correct answer is:

D. The force of gravity between them strengthens.