Simulation that hangs masses from springs, with damping, mass, and k all adjustable.
Courtesy of PHET, University of Colorado Boulder
Simulation that drives mass-spring systems– fully adjustable.
Courtesy of PHET, University of Colorado Boulder
Complex Addition of Harmonic Motions and the Phenomenon of Beats from the Wolfram Demonstrations Project by Frederick Wu
This simulation shows two oscillators, with the ability to visualize beat behavior.
Courtesy of the Wolfram Demonstrations Project
(Trouble? Download and install the Wolfram CDF player here. We use it a lot, and it does some really cool stuff.