Pulley - Wikipedia In this context, pulleys are normally known as blocks Sheave without a rope 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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Pulley: Definition, Types, Examples and Diagrams - Science Facts Depending upon how the rope and the wheel are combined, there are three types of pulleys 1 Fixed Pulley Also known as a single pulley, it is the simplest of all pulleys The pulley is fixed to one spot, and the wheel rotates about its axle The rope moves over the wheel, pulling the load
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How do pulleys work? - Explain that Stuff 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 on a huge lifting frame to make it safer to use