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.