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double pulley system click to hear : double pulley system

System consisting of two pulleys with a rope running around them to lift a load. Using two or more pulleys reduces the amount of effort needed.
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See double pulley system in : french | spanish
load pulley rope effort

load click to hear : load

Weight whose inertia exerts a force opposite to the force exerted on the rope.

pulley click to hear : pulley

Device with a grooved wheel (sheave wheel) around which a rope passes to transmit the effort exerted on the load.

rope click to hear : rope

Cord that slides on the pulley and is pulled to lift the load.

effort click to hear : effort

Force exerted on the pulley’s rope to lift the load.