None. Gravity IS the force in this case.
The object that exerts gravity is an object with mass.
A normal force.
I think that gravity exerts an attractive force that gives the material potential energy.
The fource of Gravity.
gravity
Gravity is approximately a 9.8 newton force towards the center of the earth.
Yes. Gravity can be considered a noncontact force. There is no requirement of the force to touch the object which the force exerts itself on.
gravity
Gravitation is the only force that acts universally.
Gravity exerts a force on objects; forces change the motion of objects.
Gravity.
gravity :)