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.

Dec 3, 2025 · Pulley, in mechanics, 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.

Apr 21, 2025 · How a pulley is like a lever You can probably see that a pulley magnifies force in a similar way to a seesaw, which is a kind of lever. If you want to lift someone four times heavier than you on …

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

Sep 4, 2024 · Pulley is a simple machine consisting of a wheel with a grooved rim through which a rope or chain runs. It is used to change the direction of a force, making it easier to lift or move heavy objects.

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: a pulley or pulleys with ropes to form a tackle that constitutes one of the simple machines

Pulley and Sprocket Bushings Mount between a rotating shaft and equipment to secure the shaft and reduce vibration

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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 …