1A10.10 - Metric vs. English Demos

Code Number:
Demo Title:
Metric vs. English Demos
Units of Measure
Area of Study:
Three Masses, (1 kilogram, 1 pound, and 2 pounds), Lb. and Kg. Spring scales.

No advanced notice is required, set up as shown.

  • Elisha Huggins, "Short Note on Units: Planetary Units", TPT, Vol. 48, #3, Mar. 2010, p. 182.
  • P.R. Subramanian, B. Gnanapragasam, and G. Janhavi,  "The Grammar of Physics",  TPT, Vol. 28, #3, Mar. 1990, p. 174.
  • Albert A. Bartlett,  "Artifacts from Advanced Societies",  TPT, Vol. 25, #6, Sept. 1987, p. 376.
  • Ma-1, 2: Freier and Anderson, A Demonstration Handbook for Physics.
  • M-020: "Body Units", DICK and RAE Physics Demo Notebook.
  • Robert P. Crease, "Charles Sanders Peirce and the First Absolute Measurement Standard", Physics Today, December 2009, p. 39.

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.