Question

A construction crew lifts approximately 400 lb. of material several times during a day from a flatbed truck to a 25 ft. rooftop. A block and tackle system with 75 lb. of effort force is designed to lift the materials a). What is the displacement(distance)…by the effort force? b). What is the Ideal Mechanical Advantage of the system?

Answer 1

Answer:

2ib

Explanation:

if you divide 10 divided by 2 it gives you 5 and then subtract it by 2.2 = 2.8

there goes your answer.