2B40.15 - Buoyancy - Finger, Water, and Scale
Place the beaker of water on the scale and tare the scale. As you press your finger into the water the scale reading will increase. Basically this reading is a direct measurement of the buoyant force that the water is exerting on the finger.
- Amanda C. Tenhoff, Adam J. Gerenz, and Jeffrey A. Jalkio, "Buoys and Springs – Building Connections Between Math and Physics", TPT, Vol.54, #9, Dec. 2016, p. 556.
- Alpha E. Wilson, "Buoyant Beaker Balls: Another View", TPT, Vol. 54, #8, Nov. 2016, p. 452.
- Paul Hewitt, "Hewitt's Response", TPT, Vol. 54, #3, Mar. 2016, p. 132.
- Carl Mungan, "Buoyant Beaker Balls", TPT, Vol. 54, #3, Mar. 2016, p. 132.
- Paul Hewitt, "Answer to January 2016 Figuring Physics Question", TPT, Vol. 54, #2, Feb. 2016, p. 124.
- Pirooz Mohazzabi and Mark C. James, "A Simple Apparatus for Demonstrating Fluid Forces and Newton's Third Law", TPT, Vol. 50, #9, Dec. 2012, p. 537.
- James J. Carr, "Demonstrating Newton's Third Law", TPT, Vol. 42, #3, Mar. 2004, p. 132.
- Paul Hewitt, "Figuring Physics: Submerged Teabag", TPT, Vol. 41, #7, Oct. 2003, p. 384.
- Paul Hewitt, "Figuring Physics: Beaker and Water", TPT, Vol. 39, #4, Apr. 2001, p. 204.
- Eric Kincanon, "Explanation of a Buoyancy Demonstration", TPT, Vol. 33, #1, Jan. 1995, p. 31.
- Robert Ehrlich, "6.3, Buoyant Force on your Finger", Why Toast Lands Jelly-Side Down, p. 102.
- R. W. Pohl, "7. The Upward Thrust of Liquids on Solid Bodies Immersed in Them", Physical Principles of Mechanics and Acoustics, p. 163.
- Martin Gardner, "Finger in the Bowl", Entertaining Science Experiments with Everyday Objects, p. 83.
- Borislaw Bilash II and David Maiullo, "Fingering Out Buoyancy", A Demo a Day: A Year of Physics Demonstrations, p. 188.
- Janice VanCleave, "4, Weigh Your Hand", Teaching the Fun of Physics, p. 13.
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