What is the function of a compound pulley?

A compound pulley operates by utilizing multiple pulleys in combination, which allows for a significant mechanical advantage when lifting loads. By integrating two or more pulleys, the system effectively distributes the weight of the load, reducing the amount of force needed to lift it. This means the user can lift heavier loads than they could with a single pulley alone. The concept of mechanical advantage is crucial in this context, as it highlights how the combination of pulleys works to make lifting easier and more efficient.

In a compound pulley system, the movement of the load can also be more controlled, and it allows for greater flexibility in lifting and lowering a load compared to simpler pulley systems. This makes it especially useful in applications where heavy objects need to be raised or lowered with precision.