Moment of Inertia
http://www.thephysicsaviary.com/Physics/Programs/Labs/UnwindingCableLab/index.html
Change omega, r, see y vs t graph
Make up your own problem using rock attached to wheel
https://app.pivotinteractives.com/activities/59551fc89203d00011b62f08/preview
Moment of Inertia
See graphs of x, v, a with equations
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Check conservation of L and energy
https://app.pivotinteractives.com/activities/5a0df637be76c1001ed0d788/preview
Sliding, rolling
http://physics.bu.edu/~duffy/HTML5/bowling_ball.html
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SHM: Tutorial – basic ideas
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Use conservation of L to find MoI of disc
https://app.pivotinteractives.com/activities/5a0e67efbe76c1001ed0d79c/preview
Balance the beam with different masses
http://www.physicsclassroom.com/Physics-Interactives/Balance-and-Rotation/Balance-Beam