Question

A bar magnet is dropped vertically downward through a wire loop held horizontal ly .the magnet will fall with non uniform acceleration less than g.why?

Answer 1

When the magnet is allowed to fall vertically along the axis of loop with its north pole towards the ring. The upper face of the ring will become north pole in an attempt to oppose the approaching north pole of the magnet. Therefore the acceleration in the magnet is less than g.