Simple Machines

Created by bethards5 

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axle

a bar that goes through the center of a wheel

fixed pulley

a pulley that stays attached in one place

force

A push, pull or lift

fulcrum

the object that a lever rests on

gear

a wheel with bumps around its edge

gravity

the force that pulls everything toward the earth.

inclined planes

a flat surface with one end higher than the other.

lever

a stiff bar used to push,pull,or lift an object

pulleys

a wheel that has a rope looped around it. The rope fits in a groove that runs around the edge of the wheel

screw

a simple mahcine that looks like a nail with ridges on it.

simple machines

a machine with few moving parts

wedge

two inclined planes put together. Nails and shovels are wedges

wheel

a round object that turns on an axle

work

using force to move an object from one place to another

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