Rotating Stool And Weights

Rotating stool and two dumbbell weights
PIRA: 
1Q40.10
Area: 
1 Mechanics
Topic: 
1Q Rotational Dynamics
Concept: 
Conservation of Angular Momentum

 

Spin on a rotating stool with a dumbbell in each hand, held close to the body. As the dumbbells are extended, rotational speed decreases. Caution: Do not start spinning with the dumbbells extended! You want to find a safe speed then slow down, not speed up.

 

Demo Contact

Scott Thomas
Demonstration Manager
828-262-2435
thomassa@appstate.edu