A pendulum is a weight suspended from a pivot so that it can swing back and forth under the influence of gravity. It is often used as a simple example of a harmonic oscillator, which is a system that exhibits periodic motion. Pendulums have been used in clocks for centuries and can also be found in various scientific instruments. The motion of a pendulum is governed by its length, mass, and the force of gravity, and it can be used to measure time or to demonstrate principles of physics..
You will receive (1) picked at random and everyone is slightly different.
