Question

mrs storey uses a compound pulley to lift a crate of holiday decorations from the floor to a storage shelf 3.5 meters above the floor. she pulls 10.5 meters of rope to lift the crate which of the following statements best explains the relationship between the distance mrs. storey pulls the rope and the height the crate is lifted

answer choices:

the distance mrs. storey pulls the rope is greater than the height the crate is lifted because the pulley system reduces the effort needed to lift the crate

the distance mrs storey pulls the rope is less than the height the crate is lifted because the pulley system increases the force needed to lift the crate

the distance mrs storey pulls the rope is the same as the height the crate is lifted because the pulley system does not affect the force or distance

the distance mrs storey pulls the rope is greater than the height the crate is lifted because the pulley system does not change the force required but increases the distances over which the force is applied

Answer 1

The correct statement is:

**The distance Mrs. Storey pulls the rope is greater than the height the crate is lifted because the pulley system does not change the force required but increases the distances over which the force is applied.**

This statement explains that while the pulley system allows her to lift the crate with less force (mechanical advantage), it requires her to pull a longer length of rope to achieve a smaller vertical lift of the crate.