simple machines
by Demba GAYE
1. Wedge is a simple machine that can help you cut things the sharp part of a axe is a wedge.
2. lever a lever is a simple machine that you can left things up and if you push it something can open and close if you push it back.
3. a screw a screw is a simple machine that you cat stick i into a wall to build a house
4. pulley a pulley is a simple machine.That it can put things up and down.
5. inclind plane a inclind plane is a simple machine that can help you to left things up and down
6. wheel and axle a wheel and axle is a simple mashine that can help u roll and make a skate board