Chapter 14 vocab

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