Most simple magnets have two poles (that makes them "di-poles"), as shown in this picture. The magnetic field "lines" illustrate where the force of magnetism is, and whether it is stronger (red) or weaker (blue).
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For simple magnets, the force of magnetism works in the following way: When two magnets are brought together, the force will attract the two magnets together if the poles are opposite, that is if the pole of the first magnet is positive and the pole of the second magnet is negative. If that condition is true, the two magnets will be "forced" to stick together. |
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If two magnets of the same polarity are brought together, the force of magnetism will repel the two magnets from each other, and they cannot be made to stick together. |
