PRESENTATION OUTLINE
Wedge
A simple machine used to cut through things.
WEDGE EXAMPLES
- Knife
- Your teeth
- Axe
- A nail
- A safety pin
Lever
A simple machine used to lift objects by pushing or pulling on one side and the objects being lifted on the other side.
Pulley
A simple machine used to lift objects by pulling a rope.
PULLEY EXAMPLES
- On a stage (curtains)
- Fishing pole
Wheel and Axle
A wheel along with another piece called an axle to help move an object by rolling it.
WHEEL AND AXLE EXAMPLES
- Bicycle
- Screwdriver
- Electric fan
- Doorknob
- Steering wheel
Inclined Plane
A simple machine used to lift objects by placing them on an inclined plane shaped diagonally to make it easier to move the object.
INCLINED PLANE EXAMPLES
- Skating Ramp
- Car ramp
- Door stopper
Screw
A simple machine used to hold objects together and has an inclined plane.