As we continue to apply more pulleys to the system then the mechanical advantage ratio increases.

In this system some of the pulleys that have been used are double pulleys.

A double pulley has two pulley wheels usually of the same diameter housed inside a single block, the two pulley wheels are able to move independently of each other. By using a double or multiple pulley block we are able to condense the pulley system making it more manageable.

Diagram showing a pulley system with a 6:1 mechanical advantage


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