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26 Multiple choice questions

  1. law that states that the input force times the length of the input lever arm equals the output force times the length of the output lever arm
  2. term for the distance through which the input force acts
  3. type of lever in which the input force and load are located on opposite sides
  4. term for the work done on a lever
  5. term for the distance from the fulcrum to the load
  6. the equation for average power
  7. simple machine that allows heavy objects to be raised by sliding or rolling them along a slope
  8. term for the distance through which the output force acts
  9. term for the ability of a machine to multiply force
  10. term for the algebraic sum of positive work and negative work
  11. term for the force applied to a lever
  12. term for a point on which a lever pivots freely
  13. type of lever in which the input force is between the fulcrum and the load
  14. term for an object resting on one end of the lever
  15. type of lever in which the input force and the load are located on the same side of the fulcrum
  16. term for the time rate of doing work
  17. term for a device that uses several pulleys in combination
  18. term for the force applied to the load by a lever
  19. the basic work equation and the equation for work in terms of power
  20. A force applied opposite to the motion does _____ ____.
  21. term for the output work divided the input work
  22. Is work a vector quantity or a scalar quantity?
  23. term for the transfer of energy from one body to another
  24. term for the distance from the fulcrum to the point of application of the input force
  25. The amount of work accomplished depends on the magnitude of the ____.
  26. the SI unit of power