# Definition:Center of Gravity

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## Definition

Let $B$ be a body.

The center of gravity of $B$ is that point through which the resultant of the system of parallel forces formed by the weights of all the particles constituting $B$ passes for all positions of $B$.

## Historical Note

The concept of the center of gravity of a body originated with Archimedes of Syracuse.

He subsequently found the centers of gravity of a number of geometric figures, both plane and solid.