Center of Mass Vocabulary
1. center of mass (CM): point representing the mean position of the matter in an object or system
2. center of mass: object’s point where weight force acts on the object to calculate torque
3. center of gravity (CG): point where a single gravitational force acts on an object; is the
same as the CM for uniformly shaped objects
4. center of mass: weighted average of all point masses that make up a continuous object
or system of discrete point masses
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