Whirlybird
(Adjustable Angular Momentum)
Click above to see movie
PIRA Classification: 1Q20.10
Description: A rod with adjustable masses is placed perpendicular
to a pulley. A string is wrapped around the pulley. The system rotates
due to a falling mass attached to the string.
Special Instructions: Perform this demo a few times with the
masses at different radii, changing the moment of inertia of the system.
Ideally For: Phys 1101, 1201, 1301, 1401
Condition: OK
Setup time: 5 minutes
Safety Issues: None