1Q40.10 • Conservation of Angular Momentum: Rotating Stool with Weights

Location: Floor Demo, under the stairs

Photo Shows the Rotating Stool and Weights used at the University of Texas at Austin.

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Instructions / Notes:

• Start rotating with dumbbells close to your body, or else be careful to begin with a slow spin.
• You will rotate at different speeds depending on how far you stretch out your arms.
• Dumbbells weigh about 8 lbs. (3 kg) each.

Last updated on April 28, 2025