Question

what is the mechanical advantage of single fixed pulley

Answer 1

a single fixed pulley had an ideal mechanical advantage. Since the effort force is equal to the load force. However in the single movable pulley half of the rope is supported by the rope attached to the ceiling !!!!



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Answer 2

Answer:

Mechanical advantage of a single fixed real pulley is less than one. Change in the direction of force occurs and to overcome the friction in pulley some work is done.

So, the force used to pull the rope at your end will be more than the force you will get from other end.

Or, in other words we can say load force is equal to effort force.