Natural Science Forum / Physics / Particle Physics / August 2006

Hi all,

I have several magnets (bars) of well known size.

These magnets are placed on a table and they can rotate around their
center until they reach a stable state.

I want to know if there are some mathematical formulas which can
describe the interaction in this system.

I've found a formula which describes the force between two identical
cylindrical bar magnets placed end-to-end.

But, I need a more general formula where multiple magnets are involved
and are not always placed end-to-end.

Is there such formula?

thanks,
laura