A pulley is a wheel on an axle or shaft enabling a taut cable or belt passing over the wheel to move and change direction, or transfer power between itself and a shaft.

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Apr 21, 2025 · That's broadly how a pulley works, except that you add a couple of wheels—to replace your friend and so you can pull the rope from the bottom instead of the top.

Jan 18, 2022 · What is a pulley simple machine. How does it make work easier. Learn its types, examples, mechanical advantage, uses, & applications.

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Jan 12, 2026 · A pulley is a wheel that carries a flexible rope, cord, cable, chain, or belt on its rim. Pulleys are used singly or in combination to transmit energy and motion.

5 days ago · Learn what a sheave & pulley are, how pulley systems work, & why they’re essential in power transmission. Includes examples, parts, & glossary.

A pulley is just a grouping of one or more wheels over which a rope (or a sturdy chain for heavier objects) is looped. Scientists call these “simple machines” because they allow humans to multiply the …

Jan 9, 2015 · : a pulley or pulleys with ropes to form a tackle that constitutes one of the simple machines