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1J20.60 - Wine Butler

Code Number: 1J20.60
Demo Title: Wine Butler
Condition: Excellent
Principle: Center of Mass
Area of Study: Mechanics
Equipment:
Wine Butler, wine bottle or plastic bottle filled with Squirt or 2 L Soda.
Procedure:
Place the Squirt in the Wine Butler as shown and adjust so that the system is in balance. The pivot point should be directly below the center of mass.
References:
- Alan J. DeWeerd, "Another Look at the Wine Butler", TPT, Vol. 45, # 7, Oct. 2007, p. 438.
- Iain MacInnes, "The Rod and Bottle System: A Problem in Statics", TPT, Vol. 43, # 8, Nov. 2005, p. 538.
- Martin C. Sagendorf, "Center-Of-Gravity", Physics Demonstration Apparatus, 2009, p. 25.