Breadcrumb
2B40.25 - Battleship in a Bathtub
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Code Number: 2B40.25
Demo Title: Battleship in a Bathtub
Condition: Good
Principle: Buoyancy
Area of Study: Fluids
Equipment:
Plastic see through cups.
Procedure:
Fill one plastic cup 1/4 full of water. Fill the other cup 3/4 full with water. Float the 3/4 full cup in the 1/4 full cup. Spin the 3/4 cup to show that it is really floating in the less full cup.
References:
- Armand Le Noxaic, Kamil Fadel, "How to Use the Archimedes Paradox for Educational Purposes", TPT, Vol. 60, #2, Feb. 2022, p. 137.
- I. Richard Lapidus, "Problem: Floating Sphere", AJP, Vol. 53, # 3, p. 269, March 1985.
- I. Richard Lapidus, "Solution to the Problem on Page 269", AJP, Vol. 53, # 3, p. 280, March 1985.
- R. E. Benenson, "Direct-Reading Archimedes' Principle Apparatus", TPT, Vol. 13, # 6, Sept. 1975, p. 366.
- F-130: "Ship in a Liter", DICK and RAE Physics Demo Notebook.
- R. D. Edge, "String and Stick Tape Experiments", "Battleship in the Bathtub", TPT, Vol. 28, # 7, Oct. 1990, p. 510.