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Energy: Energy Conversion
Pulley
Description
Pulley
A pulley is a simple machine that helps you lift or move heavy objects by using a wheel and a rope. When you pull on one end of the rope, the wheel rotates and helps lift the load. Pulleys are used in many places—like elevators, flagpoles, cranes, and gym equipment. Some pulleys are fixed...
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Transcript
Have you ever tried lifting a heavy backpack into your locker or pulling up a heavy bucket of water from a deep well? It feels really hard.
But what if you could make it easier—with a pulley!
A pulley is a wheel with a groove that holds a rope. When one end of the rope is pulled, the wheel helps lift the load on the other end.
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