Torque On A Bar Magnet
To demonstrate the torque on a bar magnet in a magnetic field.◙
Mounted horseshoe magnet with suspended bar magnet as photographed.◙
A small bar magnet is suspended on a rotating pivot between the poles of a horseshoe magnet. If the bar magnet is turned and released it rotates back to its original position due to the torque applied by the magnetic field of the horseshoe magnet.