Basic physical principles, Principles of magnetism – BECKHOFF AL2000 User Manual

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2. Basic physical principles

Principles of magnetism

Attraction and repulsion:

The operation of a linear motor is based on the principles of magnetism. When two permanent magnets are
placed in opposition, they will apply a force to each other. Dependent on the position of the poles, they attract
or repel each other. Equal poles are repellent and opposite poles are attracting.

Moving principle:

Suppose we have a movable but irrotatable magnet. The magnet only can be moved in a straight horizontal

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