Chapter 9: Simple Machines

Question 1

First Class Lever
Second Class Lever
Third Class Lever
Fulcrum
Effort
Load

Answer 1

Lever with the fulcrum between the effort and the load

Lever with the load between the load and fulcrum

Lever with the effort between the load and fulcrum

Point around which lever turns

Force used to cause movement

Force, such as weight of an object, resisting motion against which a lever works