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.

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 …

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

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.

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 …

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 …

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

A pulley is a wheel with a grooved rim designed to guide and tension belts (e.g., V-belts, timing belts) or ropes. By altering the direction of force or creating mechanical advantage, pulleys …

In the image below, each side of the pulley carries half the weight. This is the same as if the weight were supported by two separate supports. Each weight is supported by two connection …