Racing Spheres

1Q10.450A | Ad4
Catalog: 
1Q10.450A
Location: 
Ad4
Room: 
PS F175
Condition: 
Good
Quantity: 
1
Setup Time: 
30 minutes
  • The steel sphere has a mass of 66 g and the hollow sphere has a mass of 21 g. Th
    The steel sphere has a mass of 66 g and the hollow sphere has a mass of 21 g. They both have a diameter of 1 inch. The hollow sphere is slower.
Date Added: 
Thursday, May 24, 2007 - 12:00am
Description: 

A solid sphere is raced against a hollow sphere. They have the same diameter and similar mass.

Instructions: 

Race the steel sphere and the hollow steel sphere. Race the aluminum sphere and the steel sphere. Return all four spheres to the box when done.

Purpose: 
To show the role of mass, and radius on the moment of inertia of spheres.
Parts: 

Yellow Plastic Ball (10 g) Solid Steel Ball (66 g) Hollow Steel Ball (21 g) Solivd Aluminum Ball (24 g)(balls) 1 m track (under stairs)