The force caused by a magnetic field, a force which affects objects having a magnetic field and objects in which a magnetic field can be induced, such as ferromagnetic substances; a magnetic force manifests itself as an attraction for iron. It is associated with electric currents and moving charged paticles as well as permanent magnets.

attraction for iron; associated with electric currents as well as magnets; characterized by fields of force

A force that attracts iron and steel, and pulls a compass needle toward the north.

The push or pull exerted by a magnet.

a straight line, generally a curved one, which would tend to point to where the North Pole comes