Code Number: 5H20.25
Demo Title: Revolution
Condition: Excellent
Principle: Frictionless Motion
Area of Study: Perpetual Motion
Equipment: Revolution Demo
Procedure: Place the armature magnet over the base piece and against the mirror. Gently spin the armature. Observe the smooth rotation and long spin period.
References:
- David Kagan, "Building a Magnetic Levitation Toy", TPT, Vol. 31, # 7, Oct. 1993, p. 432.
- H. Richard Crane, "Magnetic Levitation (Almost)", TPT, Vol. 30, # 9, Dec. 1992, p. 540.
- Michael J. Pechan, Alexandra O'Brien, and Wesley A. Burgei, "Conversation of Angular Momentum Apparatus Using Magnetic Bearings", TPT, Vol. 39, # 1, Jan. 2001, p. 26.
- Jodi and Roy McCullough, "Magnetic Levitation with Revolution", The Role of Toys in Teaching Physics, p. 4.176.
- James D. Livingston, "Maglev", Driving Force-The Natural Magic of Magnets, p. 156.