Chpt. 14 Vocab

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