Center of Gravity The center of gravity, according to the Webster's New World Dictionary, the point in a body, or in a system of bodies, at which the weight is equal to the forward of the object as the rear. In other words, it is the point where the weight is equal in the front and in the back. If you could balance it on this place it would not tilt or slide in any direction. The center of gravity is present in all objects, for example, you can visualize the center of gravity on a playground see-saw. Two people of equal weights can evenly balance the see-saw if they sit in the same place. If one scoots forward or backward the center of gravity changes and it begins to move o