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- Dictionarypul·ley/ˈpo͝olē/
noun
- 1. a wheel with a grooved rim around which a cord passes. It acts to change the direction of a force applied to the cord and is chiefly used (typically in combination) to raise heavy weights.
verb
- 1. hoist with a pulley: "the tree house was built on the ground and pulleyed into the branches"
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A pulley is a wheel with a grooved rim that changes the direction and point of application of a pulling force. Learn more about the types, examples, history, and medical use of pulleys from Merriam-Webster.
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. One or more independently rotating pulleys can be used to gain a mechanical advantage, especially for lifting weights.
Jan 18, 2022 · A pulley is a simple machine that consists of a wheel, an axle, and a rope. It is used to lift heavy objects by changing the direction of the applied force. Learn about the three types of pulleys, their mechanical advantage, and their applications in everyday life.
Pulley definition: a wheel, with a grooved rim for carrying a line, that turns in a frame or block and serves to change the direction of or to transmit force, as when one end of the line is pulled to raise a weight at the other end. See examples of PULLEY used in a sentence.
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 sheave or pulley wheel is a pulley using an axle supported by a frame or shell (block) to guide a cable or exert force.
A pulley is a small wheel over which a rope or chain can be raised or lowered to move heavy objects. Learn more about the types, uses and pronunciation of pulleys with Cambridge Dictionary.
A pulley is a basic device or machine made of a wheel with a rim that a cord or rope fits around. The wheel and axle of a pulley make it easier to lift heavy objects with the rope. Ships and sailboats use pulleys — though they're often called drums — to make raising the sails less difficult.
