Simple Machine

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Across
  1. 2. the input force is between the fulcrum and the output force.
  2. 4. a piece of wood, metal, or some other material having one thick end and tapering to a thin edge,
  3. 7. the output force is between the fulcrum and the input force
  4. 8. wheel with a grooved rim around which a cord passes
  5. 9. a simple lifting machine consisting of a rope which unwinds from a wheel on to a cylindrical drum or
  6. 10. a thing that plays a central or essential role in an activity, event, or situation.
Down
  1. 1. have the fulcrum between the force and the load.
  2. 3. a rigid bar resting on a pivot
  3. 5. a sloping ramp up which heavy loads can be raised by ropes or chains.
  4. 6. a short, slender, sharp-pointed metal pin with a raised helical thread running around it and a slotted head,