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PULLEY definition: 1. a piece of equipment for moving heavy objects up or down, consisting of a small wheel over which…. Learn more.
A pulley is a simple machine consisting of a wheel rotating about its axle. It is constructed by looping a rope or a cable around the groove of the wheel. Therefore, the three main parts of a pulley are the wheel, axle, and rope. A pulley is used for lifting heavy objects by applying force at one end of the rope.
: a sheave or small wheel with a grooved rim and with or without the block in which it runs used singly with a rope or chain to change the direction and point of application of a pulling force and in various combinations to increase the applied force especially for lifting weights.
A pulley is a wheel that carries a flexible rope, cord, cable, chain, or belt on its rim. Pulleys are used individually or in combination to transmit power and motion. Pulleys with grooved edges are called sheaves.
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: one of the simple machines..
A pulley is a simple machine that helps lift, move, or change the direction of an object using a rope or cable looped around a wheel. The pulley wheel rotates as the rope is pulled, allowing the load to move more easily.
A pulley is a device consisting of a wheel over which a rope or chain is pulled in order to lift heavy objects.
A pulley is a wheel on an axle or shaft that is designed to support movement and change of direction of a taut cable or belt, or transfer of power between the shaft and cable or belt.
Definition of pulley noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
What is a pulley? A pulley is a simple machine that combines a wheel and a rope to act as a force multiplier.