Simple+Machines


 * **Types of Simple Machines** || **Parts** || **Examples** || **pictures of them** ||  ||
 * Lever || arm, || baseball bat ||  ||   ||
 * gear || teeth, wheel, axle || bike || [[image:http://images-partners.google.com/images?q=tbn:NOGG9xAwmm47SM:http%3A//www.sfu.ca/adm/images/gear.3.jpg width="137" height="103" link="http://www.sfu.ca/adm/gear.html"]] ||  ||