Inertia of Rest - Inertia Hat


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 Code Number :   1F20.55?

Disclaimer:

Reprinted by permission of Dick Berg, University of Maryland, for use on this website.

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Condition :   Good   
Principle :   Inertia of Rest 
Area of Study :  Mechanics  
Equipment :   Inertia Hat

 

Procedure :   Center inertia hat on the top of  your head.  As you turn quickly in any direction, the inertia hat should stay in its initial position.  With practice you should be able to make 360 degree turns without moving the hat.
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   References

Rosemary Russ, "Super Martian Hat," TPT Vol. 41, # 6, p. 368, Sept. 2003.

James Szeszol, Dan Cieslik, "Conservation of Angular Momentum Gadget - Quick and Fun!", TPT, Vol. 27, # 5, May 1989, p. 396.

 

"Martian Hat," Physics From the Junk Drawer, 3rd Edition, The Science House, North Carolina State University, p. 11.




Mail Questions and Comments to:  Dale Stille