T = 2π√(l/g)

Definition

The period (T) of a pendulum swinging back and forth is equal to 2π times the square root of the length (l) divided by the acceleration due to gravity (g).

Related terms

Pendulum:

A weight suspended from a fixed point that can freely swing back and forth under gravity's influence.

Periodic Motion: Any motion that repeats itself at regular intervals.

Acceleration due to Gravity (g):

The acceleration experienced by objects near Earth's surface due to gravitational attraction. Its value is approximately 9.8 m/s².