Question

What is the mechanical advantage of a pulley system if 4 m of string had
to be pulled to lift a load to a height of 1 m?

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Answer 1

With four rope segments, the ideal mechanical advantage is 4. This means that the compound pulley multiplies the force applied to it by a factor of 4. For example if 400 Newtons of force were applied to the pulley, the pulley would apply 1600 Newtons of force to the load.

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