Virtual Impact 

This innovative single-player 3-D game is best described as a combination of space combat and soccer. The player's ship fires small balls at a larger cue ball to propel it into pinball machine-like targets.
virtual impact game games space 3d sports soccer simulations collisions chaos kinetic energy

Mechanics 

Mechanics is a Virtual Laboratory of Mechanics. An Intuitively Easy-To-Use collection of -at least- 51 interactive Mechanics simulation modules that allow the user to simulate and visualize experiments. An enlightening set of simulators.
physics mechanics vector force pendulum friction energy motion newton rectilinear parabolic equilibrium acceleration