If the masses of two planets doubles and the distance between them also doubles,the force between them would be
A)one-quarter.
B)half as much.
C)twice as much.
D)four times as much.
E)none of the above

Question

Quizplus · Accepted Answer

The gravitational force between two masses is given by Newton's law of gravitation: F = G * (m1 * m2) / r^2. If both masses double, the force becomes 4 times greater, but if the distance doubles, the force becomes 1/4 as much. The net effect is that the force remains unchanged.

If the Masses of Two Planets Doubles and the Distance