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Simple Machines: Glossary

A

agriculture
related to farming

C

compound machine
a device created from two or more simple machines

E

equivalent
equal

F

fulcrum
the point on which a lever pivots

G

gears
a toothed wheel

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 work over 1 meter

L

lever
one of the six simple machines - a pole used for lifting

N

Newtons
the unit used to measure work - expressed as a capital N

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
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