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2 Written questions

2 Multiple choice questions

  1. A wheel and axle with a rope or chain attached to it. it changes the direction of motion with gravity.
  2. 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.

2 True/False questions

  1. Screwthis 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. Wedgea stick free to pivot back and forward to a certin point.the point on this machine is called the fulcrum.


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