simple+machines

ALL BY ZOE ROSS there are six differnet types of simple machines


 * 1) pulley - a pulley uses a grooved wheel and rope to raise, lower, or move a load (example) elevator, fishing poll
 * 2) wheel and axle - a wheel has a axle or rod through its center, which will help move a reduce friction on an object (example)
 * 3) inclined plane - an inclined plane is a slanted surface. it makes it easier to move an object up an inclined plane then picking it striaght up
 * 4)  wedge - a wedge has a slated side that ends in a sharp edge and a wedge is just two inclinde planes
 * 5) lever - a lever is a stiff bar that resets on a middle support (fulcrum)
 * 6) screw - a screw is also an inclined plane that is rapped around a pole

there are three classes of levers parts of a lever


 * fulcrum
 * redintence
 * effort arm
 * load
 * force