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. A pulley may have a groove or …

Middle English poley, pully, from Anglo-French pulie, probably ultimately from Greek polos axis, pole — more at pole

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 with grooved …

Pulleys, blocks and tackles. A pulley is a device that can increase the magnitude of an effort force.

Apr 21, 2025 · A simple explanation of how pulley wheels help you lift more weight.

What Are the Uses Of Pulleys? The original primary use for pulleys was to make it easier to lift heavy items. A pulley is a simple machine made with a wheel and a rope, cord, or chain. Pulleys can be …

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

Jul 4, 2023 · In this article, you’ll learn what is a pulley? how does it work? Its parts, working, applications, and types of pulleys are explained with examples and pictures. Download the PDF file …

Figure 1: A pulley being used on a boat, consisting of a metal wheel and a rope. [1] A pulley is a simple machine that can change the magnitude and direction of an applied force in the process of doing …

The idea of dividing and redirecting a force can allow a pully to produce a mechanical advantage. In the image below, the weight is divided by two, and redirected.