magnetite force plese
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Magnetic force
Magnetic force, attraction or repulsion that arises between electrically charged particles because of their motion.
It is the basic force responsible for such effects as the action of electric motors and the attraction of magnets for iron.
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Magnetite is a rock mineral and one of the main iron ores, with the chemical formula Fe3O4. It is one of the oxides of iron, and is ferrimagnetic; it is attracted to a magnet and can be magnetized to become a permanent magnet itself.[5][6] It is the most magnetic of all the naturally-occurring minerals on Earth.[5][7] Naturally-magnetized pieces of magnetite, called lodestone, will attract small pieces of iron, which is how ancient peoples first discovered the property of magnetism. Today it is mined as iron ore.
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