Uses of magnets

BST primary classes

FRICTIONAL FORCES

Magnetism is a force that can attract (pull closer) or repel (push away) objects that have a magnetic material like iron inside them (magnetic objects). Magnets can be affected by electricity, which makes them very useful in machines and computers. Magnets are used to make a tight seal on the doors to refrigerators and freezers, […]

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Physics

MAGNETISM

Introduction Magnets are substances that are able to attract and hold items. Lodestone is the only known natural magnet which was discovered by the Chinese 2,000 years ago. Other magnets produced artificially by man are called artificia l magnets. Magnets and non-magnetic materials Magnetic materials are those that are strongly attracted by magnets while non-magnetic

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