Action of one magnet on another
If the N pole of a magnet is brought near the N pole of a suspended magnet it is
noticed that repulsion occurs. Similarly, repulsion is observed between two S poles. On the other hand, a N and a S pole always attract one another (Fig. 30.3). These results may be summed up in the law, like poles repel, unlike poles attract. The above statement is sometimes called the first law of magnetism.