simple machines

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Across
  1. 4. a rigid bar on a pivot
  2. 5. force to pick up a load
  3. 7. used to make work easier
  4. 8. stick and fulcrum
  5. 9. point where stick pivots
  6. 10. crane
Down
  1. 1. a material that has a thick end and a thin edge
  2. 2. a ramp
  3. 3. knife
  4. 6. object being lifted