Oscillations and Waves > Oscillations > Nonlinear Systems
DCS# 3A95.50d
DOUBLE PENDULUM
APPARATUS
double pendulum
202-17-D
C-clamps
202-01-E6
DESCRIPTION
This system exhibits two normal modes for small initial displacements, and becomes chaotic for large displacements.
A second identical pendulum is available: start both together to show the sensitive dependence on initial conditions.
NOTES
Secure firmly in place.
Related java applets:
http://demonstrations.wolfram.com/DoublePendulum/
http://www.maths.tcd.ie/~plynch/SwingingSpring/doublependulum.html
http://www.physics.northwestern.edu/vpl/mechanics/pendulum.html
REFERENCE
AJP 60, 491-499, (1992)
