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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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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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.

LAIWOO M15 Stainless Steel Pulley System Kit-Heavy-Duty Pulley Wheel, Pulley Block with Nylon Rope, Hooks, Eye Pad Plate, and Rope Cleat - Ideal for Lifting, DIY Projects, and Clothesline (2 Pack)

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 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.

A pulley is a useful simple tool that uses a wheel to help with weight distribution when you're trying to hoist or pull something heavy. They're also great for routing cords and cables up and out of the way, …

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 points. The idea of …