Chapter 14 vocabulary

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