Pulleys - Data Sheet

Force of spring scale itself:

Direction of Effort

Load (N)

Effort (N) + spring scale force

Effort Distance

Load Distance

Fixed Pulley






Movable Pulley







1. Is there a difference in the effort required to lift a load when using a fixed pulley and a movable pulley? Explain.



2. Did the effort distance differ when using the two types of pulleys? Why or why not?



3. Describe a situation in which it would be to your advantage to use a pulley instead of another type of simple machine.