Hometown 3

- Six Simple Machines-

Pulley

Gear

A gear with notches around an axis called and axle

3D object that exerts a force to spread materials apart

Work- When a force acts on an obj to move it in a direction parallel to the force vector  Power- The rate at which you do work

Wedge

Rigid bar the rests on a pivoted point

Screw

2 dimensional tilted surface that allowed a resistance load to be moved from higher to lower position

Inclined plane

Lever

A grooved wheel that turns around the outside.

Large thin wedge wrapped around a shaft spiral

Simple machines are important because they help us with everyday life, our arms are levers, screws keep everything together, our teeth at wedges and we use them everyday to eat food. Simple machines are very important.