# Title Image Description Video
1 Inertia Wands and Two Students

Moment of Inertia

The two wands have the same mass, but have the mass distributed differently.  One has the mass concentrated in the middle, the other has the mass concentrated at the ends. Have two students rotate them back and forth as fast as they can to see the difference.

Video 1

Video 2

2 Ring, Disk, and Sphere Race

Moment of Inertia

Each item has the same diameter. After leveling the track from side to side, have the students predict which will win the race. Release them all at the same time and see which one gets to the bottom first.

Video 1

Video 2

3 Precessing Gyros

Gyros

A high quality gyroscope with a counterweight is used to show the fundamental precession equation with fair precision.

Video 1

Video 2