Single Sheave Pulley

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A single sheave pulley is a simple machine that consists of a wheel with a groove, referred to as the sheave, which rotates around a fixed axis. This device is used to change the direction of force applied on a cord or belt, making it easier to lift heavy loads by reducing the amount of effort required to move an object. It's also known as a simple pulley, and its effectiveness is measured by the number of times the load can be lifted with the same amount of effort.