Re: Need help finding magnets for experiment...
- From: Matthew Johnson <matthew_member@xxxxxxxxxxx>
- Date: 4 Aug 2008 07:59:49 -0700
In article <48970E54.7040707@xxxxxxxx>, jim says...
[snip]
I am not willing to say that a permanent magnet motor is not possible.
I am. My basis is the surprising but correct assertion Griffiths makes in his
"Introduction to Electrodynamics". Surprising though it sounds, MAGNETIC FORCES
DO NO WORK.
You need some other force involved. What other force will do the work in your
permament maganet motor? Do you understand what other force does the work in a
conventional electric motor?
[snip]
.
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