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Physics
Classical Physics
Electromagnetism
Lorentz force and linear motors
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[QUOTE="sophiecentaur, post: 5961391, member: 199289"] There is no reason why motion can't be produced, using two permanent magnets. But, once the magnets have reached the lowest possible potential energy condition (i.e. as close together or as far apart as they can get), there is no more net motion in the wanted direction. An electric motor, using some arrangement of reversing the electric current, can maintain motion in one direction for ever. [/QUOTE]
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Forums
Physics
Classical Physics
Electromagnetism
Lorentz force and linear motors
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