The most familiar example is the junkyard magnet that picks up cars and drops them on top of a stack. Award magnets as prizes. Electric motors use current to set up two magnetic fields. These fields are set at right angles to each other. Building a Motor Using the kit provided, follow the instructions, and build the motor.
Kits are from a catalog.
All you have in you pocket are four fairly strong magnets and some string. Then sold the magnets and began a new life. This answer is poorly stated and incomplete. Dans la langue de votre choix, vous pouvez enseigner cette lesson. Suivez le planning precedent.