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
Gears
A
Wheel and axle with teeth
8
Q
Driving gear
A
A gear that makes the other gear turn
9
Q
Driven gear
A
A gear that is controlled be the driving gear.
