The ideal mechanical advantage of a pulley system is equal to the? a. distance the load has to move b. length of the rope c. number of rope segments supporting the load d. weight of the object being lifted

Number of rope segments supporting the load.

Explanation:

In general the mechanical advantage of any simple machine is defined as the ratio of output force to the input force. It is also defined as the ratio of input arm distance to the output arm distance.

But in case of pulley, the ideal mechanical advantage is equal to the number of rope segments supporting the load. Hence, the correct option is (c).

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