2 Written questions
2 Multiple choice questions
- this machine rolls. wheels help you move an object across the ground of friction between what you are trying to move and the surface you are pulling it against.
- this simple machine acts like a ramp.
2 True/False questions
lever → this machine is really an inclined plane on its side. but instead of helping you move things to a higher level, it helps you push things apart.
Wedge → a stick free to pivot back and forward to a certin point.the point on this machine is called the fulcrum.