Chapter 14 vocab

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