On Sun, 21 Dec 2003 04:05:16 GMT, Lewis Hartswick wrote:
Gary Coffman wrote:

Now, with the knowledge gained from this thought experiment, here's
another brain teaser. Which weighs more (at the Earth's surface, in
air), a metric ton mass of feathers, or a metric ton mass of lead?
Think carefully.

Gary

How is "a metric ton mass" defined ?

A metric ton is 1000 kilograms, mass not weight. Mass is a
measure of inertia, which is a fundamental property of matter.
Weight is a force, which isn't a fundamental property of
matter.

Gary