# Pendulum Waves

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Set in motion 15 to 25 uncoupled pendulums with monotonically increasing lengths from the same initial angle, chosen between 10° and 60°. This produces a stunning visual display including traveling waves, standing waves, and simulated chaotic motion.

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Contributed by: Stan Wagon (Macalester College) and S. M. Blinder (June 2011)

Open content licensed under CC BY-NC-SA

## Snapshots

## Details

References:

R. E. Berg, "Pendulum Waves: A Demonstration of Wave Motion Using Pendula," *American Journal of Physics*, 59(2), 1991 pp. 186–187.

J. A. Flaten and K. A. Parendo, "Pendulum waves: A lesson in Aliasing," *American Journal of Physics*, 69(7), 2001 pp. 778–782.

Harvard Natural Sciences Lecture Demonstrations

Pendulum Waves: YouTube

Citadel Physics Department Wave Pendulum: YouTube

## Permanent Citation

"Pendulum Waves"

http://demonstrations.wolfram.com/PendulumWaves/

Wolfram Demonstrations Project

Published: June 17 2011