Change lengths, angles, see theta/t graph
http://mw.concord.org/nextgen/#interactives/physics/pendulums/double-pendulum
Change lengths, angles, see theta/t graph
http://mw.concord.org/nextgen/#interactives/physics/pendulums/double-pendulum
See x/v/a graphs for horizontal spring system
Change g, k, l, m, dampting see angle/ t for pendulum attached to spring
http://mw.concord.org/nextgen/#interactives/physics/pendulums/pendulum-spring
Change g, m, k, dampting, A, see x/t graph
http://mw.concord.org/nextgen/#interactives/physics/pendulums/spring-mass
See animations/videos to see links
http://www.animations.physics.unsw.edu.au/mechanics/chapter4_simpleharmonicmotion.html#4.1
Helen rates this resource as good
Drag mass to stor energy, see bar charts/graphs of damped motion
http://mw.concord.org/nextgen/#interactives/physics/energy-conservation/energy-spring
Change k, m, A, g, see x /t graph, bar charts
Beats
Drag pendulum to stor energy, see bar charts/graphs of damped motion
http://mw.concord.org/nextgen/#interactives/physics/energy-conservation/energy-pendulum
SHM optical illusion