Simple Machines and Work

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Across
  1. 3. A device that makes work easier with one movement
  2. 6. A simple machine consisting of two wheels of different sizes that move together
  3. 7. An inclined plane with two slanting sides instead of one.
  4. 9. A bar that turns on a fixed point
Down
  1. 1. The unit used for work
  2. 2. A slanted surface or ramp
  3. 4. How much easier a simple machine makes work for the user, Fr/Fe
  4. 5. A rope wrapped around a wheel
  5. 6. The transfer of energy through motion, W = F x d
  6. 8. An inclined plane that turns around a central point