On Fri, 28 May 2004 14:50:05 GMT, Sam Wormley
wrote:

Inertia
http://scienceworld.wolfram.com/physics/Inertia.html

Weight
http://scienceworld.wolfram.com/physics/Weight.html

Mass
http://scienceworld.wolfram.com/physics/Mass.html

"Note that the pound is not a unit of mass, but rather one of weight."

http://scienceworld.wolfram.com/phys...emofUnits.html

"The system of masses used in the United States for most common
commercial purposes based on the pound-mass and ounce and summarized
in the following table."

Eric Weisstein, the author of the pages you cite, struggles with
simple facts nearly as much as Shead does.

Gene Nygaard
http://ourworld.compuserve.com/homepages/Gene_Nygaard/