Magnetic force

Discovery Science: Physics and Technology – Physics – Electricity

by

Earth Science: Physics and Technology – Electromagnetism Gravity-the fact that all objects attract each other in proportion to their mass—is familiar to everyone. In fact, life without it can hardly be imagined. Electricity and magnetism are different; even through the early 19th-century phenomena such as naturally magnetic minerals were scarcely known and not understood. Earth … Read more

Pocket Genius Science: Energy and forces – Magnetism

by

Facts At Your Fingertips: Energy and forces – Magnetism Magnetism is a force that can attract (pull toward) or repel (push away). Materials that are strongly attracted to magnets, such as iron or nickel, are called ferromagnetic materials. Some magnets are permanently charged with magnetism, while others are only magnetic when they are inside a … Read more