Simple Machines

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Across
  1. 4. What is an inclined plane that turns around a central point?
  2. 5. What is it called when the Fr is located between the fulcrum and the Fe?
  3. 7. What is an inclined plane with 2 sloping sides instead of one?
  4. 9. What is it called when the Fe is located between the fulcrum and the Fr?
Down
  1. 1. What is a slanted surface or ramp?
  2. 2. What is a machine consisting of two wheels of different sizes that rotate?
  3. 3. What is it called when the fulcrum is located between the two forces?
  4. 6. What is a bar that is free to turn on a fixed point called a fulcrum?
  5. 7. What is the transfer of energy through motion?
  6. 8. What is a rope wrapped around a wheel?