Chapter 9: Simple Machines

Question 1

First-class lever

Answer 1

Lever witw the fulcrum between the effort and the load

Question 2

Second-class lever

Answer 2

lever with the load between the effort and the fulcrum

Question 3

Third-class lever

Answer 3

lever with the effort between the load and the fulcrum

Question 4

Fulcrum

Answer 4

point around which a lever turns

Question 5

Effort

Answer 5

force used to cause movement

Question 6

Load

Answer 6

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