1Q40.20 - Cons. of Angular Momentum Demos - Squeezatron

Code Number:
Demo Title:
Cons. of Angular Momentum Demos - Squeezatron
Conservation of Angular Momentum
Area of Study:
Double-Mass System in Wooden Frame.

The double mass system may have to be oiled so that it moves freely.

  • Alan J. DeWeerd, Eric Hill, "Conservation of Angular Momentum with Slightly Modified Commercial Apparatuses", TPT, Vol. 61, #8, Nov. 2023, p. 680.
  • Richard E. Berg and Robert E. Anders,  "Angular Momentum Conservation Demonstration",  TPT, Vol. 27, # 7, p. 561, October 1989.
  • Everette E. Tompkins", "Rotational Motion Demonstrator", TPT, Vol. 26, # 3, Mar. 1988, p. 187.
  • R. D. Edge, "Levitating a Marble", TPT, Vol. 24, # 5, May 1986, p. 295.
  • T. M. Kalotas and A. R. Lee, "A Simple Device to Illustrate Angular Momentum Conservation and Instability", AJP, Vol. 58, #1, Jan. 1990, p. 80.
  • John Hart, "The Conversation of Angular Momentum", AJP, 33, # 4, April 1965, p. 345.
  • Mt-1,  "Angular Momentum",  Freier and Anderson,  A Demonstration Handbook for Physics.
  • M-177,  Richard Manliffe Sutton, Demonstration Experiments in Physics.

Disclaimer: These demonstrations are provided only for illustrative use by persons affiliated with The University of Iowa and only under the direction of a trained instructor or physicist.  The University of Iowa is not responsible for demonstrations performed by those using their own equipment or who choose to use this reference material for their own purpose.  The demonstrations included here are within the public domain and can be found in materials contained in libraries, bookstores, and through electronic sources.  Performing all or any portion of any of these demonstrations, with or without revisions not depicted here entails inherent risks.  These risks include, without limitation, bodily injury (and possibly death), including risks to health that may be temporary or permanent and that may exacerbate a pre-existing medical condition; and property loss or damage.  Anyone performing any part of these demonstrations, even with revisions, knowingly and voluntarily assumes all risks associated with them.