Magnetism is a force we can’t see. Something is magnetic if it can pull another magnetic object towards it. Just like these fridge magnets. A magnet attracts or repels things made from certain ...

Each magnet has a clamping force of 300 kgs and when the poles are "like" they repel with enough force ... to see the result of two strong magnets attracting at high speed. Each magnet has a ...

The electric current creates a magnetic field, and when the current is turned off, the magnetism disappears. Magnetism is an invisible force that can attract or repel certain materials ...