Chapter 9 - Simple Machines Flashcards Preview

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Flashcards in Chapter 9 - Simple Machines Deck (11):
1

First class lever

lever with the fulcrum between the effort and the load

2

Second class lever

lever with the load between the effort and the fulcrum

3

Third class lever

lever with the effort between the load and the fulcrum

4

Fulcrum

point around which a lever turns

5

Effort

force used to cause movement

6

Load

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

7

Block and Tackle

system of pulleys in which there are both fixed and moving pulleys

8

Pulley

A special type of wheel and axle that makes it easier for you to lift a load

9

Gears

toothed wheel that can turn other toothed wheels

10

Driving Gear

gear that causes another to move

11

Driven Gear

gear that is moved by another gear