View source for Briefcase with flywheel inside

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Back to [[1Q_-_Rotational_Dynamics|1Q - Rotational Dynamics]]<br>
PIRA index: 1Q50.40

==Description==
A spinning disc hidden inside a briefcase is spun rapidly. The briefcase is then rotated slowly to show how it responds to the angular momentum of the disc. The disc is also known as a flywheel.

==Equipment==
*briefcase
*cordless drill with drill bit

==Instructions==
Use the drill to rapidly rotate the flywheel hidden inside the briefcase. Hand the briefcase to a student and have the student rotate it back and forth and demonstrate its dependence on angular momentum.

==Keywords==
flywheel, briefcase, drill

==Images & Movies==
<gallery>
File:1Q50.40_1.JPG|Figure1
File:1Q50.40_2.JPG|Figure2
</gallery>