Chapter 14 vocab

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Across
  1. 3. the rate of doing work
  2. 6. the distance between the output force and the fulcrum
  3. 10. a slanted surface along which a force moves an object to a different elavation
  4. 11. the work done by the input force acting through the input distance
  5. 12. the mechanical advantage in the absence of friction
  6. 14. the SI unit of power
  7. 15. the percentage of the work input that becomes work output
  8. 17. a simple machine that consists of two disks of cylinders, each one with a different radius
  9. 19. a rigid bar that is free to move around a fixed point
  10. 20. equal to about 746 watts
  11. 21. a V-shaped object whose sides are two inclined planes sloped towards each other
  12. 22. the distance between the input force and the fulcrum
  13. 24. the force that is exerted by a machine
  14. 25. the product of force and distance
Down
  1. 1. the distance the input force acts through
  2. 2. a combination of two or more simple machines that operate together
  3. 4. the force you exert on a machine
  4. 5. the distance the output force is exerted through
  5. 7. equal to the ratio of the output force to the input force
  6. 8. the number of times that the machine increases an input force
  7. 9. a simple machine that consists of a rope that fits into a groove in a wheel
  8. 13. the SI unit of work
  9. 16. the fixed point the bar rotates around
  10. 17. the output force multiplied by the output distance
  11. 18. a device that changes a force
  12. 23. an inclined plane wrapped around a cylinder