Assertion: magnetism | /r/CreatedBy | a bar magnet
Facets:
Source sentences:
text: The magnetic force produced by a bar magnet, at a given point in space, therefore depends on two factors: the strength p of its poles (magnetic pole strength), and the vector l separating them.
text: The magnetic force produced by a bar magnet, at a given point in space, therefore depends on two factors: on both the strength