PIRA Classification: 1Q40.30
Description: A student sits on a stool while holding a bicycle wheel. The wheel is spun up, resulting in no motion of the stool. The wheel is then rotated 90 degrees. The stool begins to rotate. The wheel is tipped in the opposite direction to stop the stool.
Special Instructions: None
Condition: OK
Setup time: 2 minutes
Safety Issues: Exposed spokes. Watch the fingers.