Chapter 6 Unit 1

Question 1

What is a first class lever?

Answer 1

Fulcrum is in the middle of L and E

MA only achieved if effort further away from fulcrum

Question 2

What is a second class lever?

Answer 2

Fulcrum at the end L in between fulcrum and effort

Provides MA

Question 3

What is a theirs class lever?

Answer 3

E between fulcrum and L
Does not provide MA bigger effort is needed than load provides
Provides increase of movement at end of lever