1 of 7

Slide Notes

DownloadGo Live

Simple Machines

Published on Nov 20, 2015

Simple machines help us do work by applying the force over a greater distance or changing the direction of the force.

PRESENTATION OUTLINE

Simple machines make work easier by applying the force over a greater distance or changing the direction of the force.

Photo by nikkorsnapper

Lever

A bar that turns against an unmoving point.
Photo by Peat Bakke

Inclined Plane

A flat surface with one end higher than the other.

Screw

A bar with an inclined plane wrapped around it.
Photo by LawPrieR

Wedge

A double inclined plane that can split things apart.
Photo by mr.smashy

Wheel and Axle

An outer wheel attached to an axle, which is a smaller wheel.
Photo by szeke

Pulley

A grooved wheel with rope running through the groove.
Photo by vbecker