Why might you want to use a single fixed pulley?

The usage of a single fixed pulley would be desirable because it is an easier way to lift and transport a heavy object from one point to the other in meanings of elevation.

Explanation:

A single fixed pulley is a very smart and simple mechanism that changed the life of human beings because it allowed us to move heavy objects in elevation dimensions with easiness. It might still represent a considerable effort but is simpler than lifting it with the body, also because there were places that required to lift objects but didn't have stairs to transport them over them.

the journeys of marquette, joliet and la salle a) new france expand.

all three of these explorers explored the midwest and the area around the great lakes, which they subsequently claimed for france.

this was a big portion of territory and expanded new france which before then only consisted of quebec province in northeastern canada

b. false

explanation:

suppose a rock in free fall is dropped off a cliff. after falling for 5 seconds, its speed would not be 100 m/s.