Simple Machines

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Across
  1. 3. used to join things together by being rotated so that it pierces wood or other material and is held tightly in place
  2. 4. a wheel that carries a flexible rope, cord, cable, chain, or belt on its rim
  3. 9. consisting of a wheel attached to a smaller axle so that these two parts rotate together
  4. 10. the measurement for work
Down
  1. 1. a sloping ramp up which heavy loads can be raised by ropes or chains
  2. 2. having one thick end and tapering to a thin edge
  3. 5. the measurement for force
  4. 6. the measurement for distance
  5. 7. the measurement for power
  6. 8. a rigid bar resting on a pivot