How strong is the gravitational force of attraction between two objects that drift four times closer?
A) Four times weaker
B) Two times greater
C) Four times greater
D) Sixteen times greater

Question

Quizplus · Accepted Answer

The gravitational force between two objects is inversely proportional to the square of the distance between them. If the distance becomes four times closer, the gravitational force increases by the square of 4, which is 16. Therefore, the gravitational force becomes sixteen times greater.

How Strong Is the Gravitational Force of Attraction Between Two