Center of Mass (COM)
Definition
Center of mass refers to the point where all mass can be considered concentrated for purposes of calculating motion. It represents the average position of all particles comprising an object.
Analogy
Imagine balancing a ruler on your finger. The point where it balances perfectly is like the center of mass. If you try to balance it on a different point, it will tip over.
Related terms
Mass: The amount of matter in an object.
Torque: The rotational equivalent of force that causes an object to rotate around an axis.
Equilibrium: A state where the net force and net torque acting on an object are both zero, resulting in no change in motion or rotation.
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