Simple Machines

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Across
  1. 3. A system of parts working together in a machine
  2. 4. A circular object (wheel) connected to a central shaft (axle)
  3. 6. The object being moved or lifted by a simple machine
  4. 7. A tool with a slanted edge that cuts or splits objects
  5. 9. A flat surface set at an angle to help raise or lower objects
  6. 11. The point on which a lever rests or pivots
  7. 13. A push or pull on an object
Down
  1. 1. An inclined plane wrapped around a pole
  2. 2. A tool with few or no moving parts that makes work easier
  3. 5. A wheel with a rope that helps lift loads
  4. 6. A bar that pivots on a fixed point to lift or move loads
  5. 8. A rotating wheel with teeth that mesh with another gear to transmit motion
  6. 10. How well a machine converts input work into output work
  7. 12. The result of a force moving an object over a distance