simple machines

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Across
  1. 2. it is used on a bike
  2. 6. occurs when a force acts on an object to move it some distance from the start point.
  3. 8. it is in a bike
  4. 9. it is a slanted platform
  5. 10. a triangular piece
Down
  1. 1. indicates how well its input energy is converted to useful output energy or work.
  2. 3. is a cylinder with a inclined plane around it
  3. 4. is a form of calculation that measures the amplified force taken by the mechanical system.
  4. 5. is the rate at which work is done.
  5. 7. moves things upward