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A pulley is a simple machine that consists of a wheel with a groove along its edge and a rope or cable that runs along the groove.
It is used to lift or move heavy objects more easily by changing the direction of the force required to lift the load.
Pulleys are widely used in various applications, from construction and manufacturing to everyday tasks.

When force is applied to one end of the rope or cable, it moves along the groove of the wheel, causing the wheel to rotate.
As the wheel rotates, it lifts or moves the load attached to the other end of the rope or cable.

By changing the direction of the force, pulleys allow us to lift heavy objects with less effort, making tasks like lifting construction materials or pulling objects more manageable.



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