MotionGenesis: F=ma Software, textbooks, training, consulting.   1. Chaotic double-pendulum (Babyboot -- 3D motion)
Chaotic pendulum: Problem statement (.pdf)
F = m*a Program responses
Kane and Lagrange Program responses

Click here for more detailed information
MotionGenesis Babyboot schematic

2. Planar double-pendulum (2D forces & motion)
Double-pendulum problem statement (.pdf)
Statics: F = 0    M = 0 Program responses
Statics: Kane and Lagrange Program responses
Dynamics: F = m*a    M = I* a Program responses
Dynamics: Kane (generalized speeds) Program responses
MotionGenesis Double pendulum

3. Pumping up a swing (2D with sitting rider)
Available later