Physics
Center of Mass
Quick fact
The center of mass of a human body shifts depending on posture, which is why we need to adjust our position to stay upright.
Why this is interesting
Ever wondered why a tightrope walker carries a long pole? It's all about balance—and the center of mass is the key to understanding it.
Read the full explanation
Understanding Center of Mass
Imagine holding a ball in your hand. The point where you feel the weight pulling down is the center of mass. For extended objects like a broomstick or a car, it's an imaginary point where all the mass seems to be balanced.
A deeper explanation
The center of mass is determined by how mass is distributed throughout an object. When an object is in equilibrium, its center of mass must be directly above the base of support. This principle explains why tall buildings have heavy bases and why athletes use weighted equipment to improve stability.