What is the force that attracts objects towards each other, such as the Earth attracting an apple?

Which of the following factors does NOT affect the strength of gravitational force between two objects?

What happens to the gravitational force between two objects if the distance between them is doubled?

What would happen to your weight if you traveled to the Moon, which has less gravity than Earth?

What is the primary reason the Moon orbits the Earth?

If the mass of one object is tripled, how does that affect the gravitational force between it and another object?

What is the relationship between gravitational force and distance according to the law of universal gravitation?

When you jump into the air, what force pulls you back down to the ground?