X-Nico

Center of balance

Center of mass, the most common meaning and most of other meanings are derived from it

Track stand

This allows the rider to keep the bike directly below his or her center of gravity.

Hand-Held Maneuvering Unit

However, fellow crewman James McDivitt recalled the gun as being "hopeless" and "utterly useless" as it required precise aim through the user's center of mass in order to translate in a straight line without inducing unwanted rotation.

Weight function

The terminology weight function arises from mechanics: if one has a collection of $n$ objects on a lever, with weights $\backslash scriptstyle\; w\; 1,\; \backslash dotsc,\; w\; n$ (where weight is now interpreted in the physical sense) and locations :$\backslash scriptstyle\backslash boldsymbol\{x\}\; 1,\backslash dotsc,\backslash boldsymbol\{x\}\; n$, then the lever will be in balance if the fulcrum of the lever is at the center of mass

see also

Kettlebell

Unlike traditional dumbbells, the kettlebell's center of mass is extended beyond the hand, similar to Indian clubs or ishi sashi.