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Pulley - Wikipedia
In Roman Egypt, Hero of Alexandria (c. 10–70 AD) identified the pulley as one of six simple machines used to lift weights. [3] Pulleys are assembled to form a block and tackle in order to …
Pulleys | McMaster-Carr
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Pulleys - The Home Depot
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How do pulleys work? - Explain that Stuff
Apr 21, 2025 · A pulley is simply a collection of one or more wheels over which you loop a rope (or chain) to make it easier to lift things. Here's an everyday example: Photo: A pulley mounted …
Pulley | Rope, Belt & Sheave | Britannica
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. Pulleys …
Fixed Pulleys, Double Pulleys, Swivel Pulleys - Hardware World
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Understanding Pulleys: Types, Applications, and Selection Guidelines
Pulleys are fundamental components in mechanical power transmission systems, enabling the efficient transfer of motion and force between rotating shafts. This article explores the design …