Posted by John T on April 21, 2009 at 14:15:26 from (66.244.97.31):
In Reply to: Magnet motors posted by teddy52food on April 21, 2009 at 13:57:03:
A "permanent magnet" doesnt produce any energy I was aware of, there is, however, a magnetic field surrounding it. Now if you pass (or rotate etc) a coil of wire through that permanent magnetic field, a voltage is unduced into the coil, but it will take some input energy of some sort to keep that coil rotating and then sure you can extract energy out of that coil butttttttttttt the energy out is less then the energy in (it took to keep it rotating inside the field) because there are friction and heat losses..
A few other helpful tidbits which just happen to be related to the laws of physics and thermodynamics which might help educate.
YOU CAN NOT CREATE OR DESTROY ENERGY, ONLY CHANGE ITS FORM
WORK = FORCE X DISTANCE (force alone doesnt equal work) DISCLAIMER its been too many moons since I was an engineering student so dont hold me to this now lol but its my best recollection
So sure we may have a tractor powered by permanent magnets (a PM Motor) that create the field in which an armature rotates buttttttttt its gonna take some energy INPUT into the armature to make it spin so wehres that coming from HMMMMM ??? It could be from a gas engine driving a generator or an electtrochemical energy storage device i.e. a battery but either requires ENERGY
Hey its impossible to explain complex physics and electrical theory in a paragraph here to a lay person that takes volumes of book and years of study to understand so just take it for now that YOU CANT CREATE OR DESTORY ENERGY (until yall get into that atom splitting stuff maybe?) so yall have fun n take care now and good luck on that "perpetual motion machine"
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