Machines(Ch. 14)

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Across
  1. 5. A combination of two or more simple machines that work together
  2. 7. This is an example of a second class lever
  3. 10. A common unit of power equal to about 746 watts
  4. 12. A V-shaped object whose sides are two inclined planes sloped toward each other
  5. 13. The number of times that a machine increases input force
  6. 15. A simple machine that consists of a rope that fits into a groove in a wheel
  7. 16. The metric unit of power
  8. 18. The force exerted on a machine
  9. 21. The force exerted by a machine
  10. 24. The transfer of energy
  11. 25. This is an example of a first class lever
Down
  1. 1. The distance through which the input force acts in a machine
  2. 2. The distance an output force acts through in a machine
  3. 3. A simple machine that consists of two rigidly attached wheels each with a different radius
  4. 4. The metric unit of work
  5. 6. This is an example of a third class lever
  6. 8. The work done by a machine as the output force acts through the output distance
  7. 9. _____ mechanical advantage is the ratio of the output force to the input force in a machine
  8. 11. An inclined plan wrapped around a cylinder
  9. 14. A slanted surface along which a force moves an object to a different height
  10. 17. The rate of doing work
  11. 19. The percentage of the work input that becomes work output in a machine
  12. 20. A rigid bar that is free to move around a fixed point
  13. 22. _____ mechanical advantage is the mechanical advantage of a machine in the absence of friction
  14. 23. The work done on a machine as the input force acts through an input distance