Glossary
A
- agriculture
- - related to farming
C
- compound machine
- - a device created from two or more simple machines
F
- fulcrum
- - the point on which a lever pivots
I
- inclined plane
- - one of the six simple machines - a ramp
- industry
- - employment or type of business
J
- joule
- - the measure of 1 Newton of force over 1 meter of distance; the standard unit for measuring work
L
- lever
- - one of the six simple machines - a pole used for lifting
N
- Newton
- - unit used to measure the force acting on an object when work is done
P
- pulley
- - one of the six simple machines - a wheel and axle combined with chains or rope
S
- screw
- - one of the six simple machines - a twisted inclined plane
- Sir Isaac Newton
- - famous scientist who developed Newton's 3 laws of motion (1642- 1727)
V
- vertical
- - a distance perpendicular to the horizon or force of gravity
W
- wedge
- - one of the six simple machines - two inclined planes used to separate or hold objects tightly
- wheel and axle
- - one of the six simple machines - wheel with a rod through its center
- work
- - amount of energy necessary to move an object
