Rotational Dynamics
adjustable_rotational_inertia
bicycle_wheel_and_rotating_stool
bicycle_wheel_gyroscope
centripetal-acceleration-water-tank
eulers_disk
faster_than_g
hoberman-sphere
hoop_and_disk_race
ladder_slip
rolling_spool
tinker_toy_rotator
torque_on_a_disk
whirligig