It requires work to push a coil between the poles of a horseshoe magnet,and it also requires additional work to pull that coil out again.

Question

Quizplus · Accepted Answer

This is because the magnetic force between the poles of the horseshoe magnet and the coil creates a resistance to movement, requiring work to overcome. This resistance is present both when pushing the coil in and pulling it out.

It Requires Work to Push a Coil Between the Poles