When two objects are farther apart, the gravitational force between them becomes weaker. This is because the force of gravity is inversely proportional to the square of the distance between the objects. In other words, the force of gravity decreases by a factor of four if the distance between the objects doubles, and it decreases by a factor of nine if the distance between the objects triples.

This is why the gravitational force is so much weaker than the electromagnetic force. The electromagnetic force is inversely proportional to the first power of the distance, so it does not decrease as quickly with distance. This means that the electromagnetic force is much stronger than the gravitational force over short distances, but the gravitational force becomes stronger than the electromagnetic force over long distances.

The gravitational force is also much weaker than the strong nuclear force. The strong nuclear force is inversely proportional to the second power of the distance, but it also has a very short range. This means that the strong nuclear force is much stronger than the gravitational force over very short distances, but the gravitational force becomes stronger than the strong nuclear force over longer distances.

The gravitational force is the weakest of the four fundamental forces of nature, but it is also the most important. It is the force that holds the universe together, and it is responsible for the motion of planets, stars, and galaxies.