Oscillations and Waves > Oscillations > Lissajous Figures
DCS# 3A80.10

SAND PENDULUM



APPARATUS
sand pendulum
202-17-A
video camera
202-09-D

DESCRIPTION
The y-suspended pendulum has a different length, and thus frequency, for its back and forth motion than for its side to side motion and traces out Lissajous figures in the sand.