Horseshoe magnet

Horseshoe magnet

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Credit: LAWRENCE LAWRY/SCIENCE PHOTO LIBRARY

Caption: Horseshoe magnet. Metal filings being temporarily magnetised by a permanent iron magnet (horseshoe- shaped). Magnetism is mostly a property of metals. It is a force exerted at a distance by a field, in this case generated by moving electric charge on a subatomic level (electrons). The force can attract or repel, with a horseshoe magnet having a north (N) and a south (S) pole with one attracting and the other repelling. The filings will lose their magnetism when they are removed from the presence of the permanent magnet.

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Keywords: attracted, attraction, ferromagnetic, ferromagnetism, filing, filings, force, horseshoe magnet, iron, magnetic, magnetised, magnetism, magnets, metal, nail, nails, permanent, physics, temporary

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