Question

Which of the following describes the difference between the classes of levers?
A. the difference in effort force
B. the difference in resistance force
C. the placement of the fulcrum
D. the placement of effort force, resistance force, and fulcrum

Answer 1

pwease heeelp

Answer 2

D

Answer 3

There are three different classes of levers, depending on the arrangement of the force, the load, and the fulcrum along the lever bar. Each class of lever affects force in a different way, and each class has different applications.