science

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Across
  1. 3. number of times the machine multiplies the input force
  2. 5. the use of force to move an object
  3. 8. a simple machine that is made of a wheel connected to a smaller cylinderal object
  4. 9. a simple machine that has a grooved wheel that hooks on a rope or cable
  5. 11. energy and object has because of its position
  6. 13. any device that helps people do work
  7. 14. a simple machine that has a bar that pivots at a fixed point
Down
  1. 1. the fixed point on the lever
  2. 2. the energy possessed by an object due to its motion and position
  3. 4. the rate at which work is done
  4. 6. the energy of motion
  5. 7. a comparison of a machines work output with the work input
  6. 10. a simple machine that is a straight, slanted surface
  7. 12. the ability to do work