Chapter 9 - Simple Machines Flashcards
1
Q
First class lever
A
lever with the fulcrum between the effort and the load
2
Q
Second class lever
A
lever with the load between the effort and the fulcrum
3
Q
Third class lever
A
lever with the effort between the load and the fulcrum
4
Q
Fulcrum
A
point around which a lever turns
5
Q
Effort
A
force used to cause movement
6
Q
Load
A
force, such as the weight of an object, resisting motion against which a lever works
7
Q
Block and Tackle
A
system of pulleys in which there are both fixed and moving pulleys
8
Q
Pulley
A
A special type of wheel and axle that makes it easier for you to lift a load
9
Q
Gears
A
toothed wheel that can turn other toothed wheels
10
Q
Driving Gear
A
gear that causes another to move
11
Q
Driven Gear
A
gear that is moved by another gear