2 Written questions
2 Multiple choice questions
- 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.
- this machine is like a ramp- and the thread is like the angle of an inclined plane. the wider the thread the harder it is to turn.
2 True/False questions
Wheel and axle → 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.
lever → a stick free to pivot back and forward to a certin point.the point on this machine is called the fulcrum.