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2 Written questions

2 Multiple choice questions

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

2 True/False questions

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

          

  2. Screwa stick free to pivot back and forward to a certin point.the point on this machine is called the fulcrum.

          

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