Mechanics lab · 01
Double pendulum
A simple system with wonderfully unpredictable motion.
Live simulation
Planar motion · 00.00 s
Upper angle120.0°
Lower angle−10.0°
Simulation—
Equal masses · Equal rigid rods · Gravity 9.81 m/s²
Angles measured from downward vertical · No damping
Angles measured from downward vertical · No damping
Rigid rods
Lower bob trail
Chaotic motion · coupled equations · RK4 integration