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Re: Muscle Work

If you really want to know, I mentioned it. I agree with you
on the value of the reference.

PC

----- Original Message -----
From: "Espinosa, James" <JEspinosa@MAIL.TWU.EDU>
To: <PHYS-L@lists.nau.edu>
Sent: Thursday, November 13, 2003 6:41 PM
Subject: Muscle Work


Several weeks ago there was a discussion following a student question
about whether work is done by holding up some object with one's hand =
but
without moving it, and why does one get tired anyway. I may have mis=
sed
it, but I do not remember anyone making reference to an excellent
discussion by Feynman on precisely this subject. There is a long
paragraph on page 14-2 of volume 1 of the Feynman Lectures. He menti=
ons
muscles that do work, and get tired, and others that do not.
=20
James M. Espinosa