2 Written questions
2 Multiple choice questions
- a stick free to pivot back and forward to a certin point.the point on this machine is called the fulcrum.
- this simple machine acts like a ramp.
2 True/False questions
Wheel and axle → 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.
pulley → A wheel and axle with a rope or chain attached to it. it changes the direction of motion with gravity.