4 to 1 Pendulums

 

Code Number: 3A10.14

Demo Title: 4 to 1 Pendulums

Condition: Excellent

Equipment: 

Pendulums with lengths of 25 cm and 1 meter.

Procedure:

Pull the pendulums back to the same angle and release them.  The shorter one will oscillate at twice the frequency of the longer pendulum.

Video Credit: Jonathan M. Sullivan-Wood.

3A10.14 - 4 to 1 Length Pendulums