Simple Machines

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Across
  1. 2. ____is a comparison of a machine’s work output with the work input
  2. 3. ____is a device that helps make work easier
  3. 7. The unit for distance is ____
  4. 8. A grooved wheel that holds a rope or a cable.
  5. 9. ____ occurs when a force causes an object to move in the direction of the force
  6. 10. Two circular objects of different sizes.
  7. 14. The unit for work is ____
  8. 15. The unit for power is ____
  9. 16. An inclined plane wrapped in a spiral.
Down
  1. 1. ____ is the number of times a machine multiplies the force applied
  2. 4. A straight, slanted surface.
  3. 5. The unit for time is ____
  4. 6. A double inclined plane that moves.
  5. 11. The unit for force is ____
  6. 12. A simple machine consisting of a bar that pivots at a fixed point called the fulcrum.
  7. 13. ____ is the rate at which work is done, or, how fast work is done