Machines Science

Card Set Information

Author:
sbenrud
ID:
211971
Filename:
Machines Science
Updated:
2013-04-07 16:05:29
Tags:
Science words
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Description:
Test
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  1. Work equals?
    force X distance
  2. Force equals?
    Work/distance
  3. Distance equals?
    work/force
  4. Work is measured in?
    Joule
  5. joule?
    What work is measured in
  6. Power?
    The rate at which work is done
  7. The rate at which work is done?
    power
  8. Power equals?
    work/time
  9. Work/time equals?
    power
  10. 1 horsepower equals?
    746 watts
  11. 746 watts equals?
    1 horsepower
  12. What is a simple machine?
    A device that helps make work easier to perform.
  13. A device that helps make work easier to perform?
    A simple machine.
  14. Simple machines accomplish?
    • A change in direction
    • An increase in magnitude or force
    • An increase in distance or speed or force
  15. Machines CANT do what?
    They can't increase the amount of work you do!!!!!!!!!!!!!!!!!!!!
  16. Work input?
    Work done ON machine. (the force and distance YOU apply to a machine)
  17. Work done ON machine (the force and distance YOU apply to a machine)
    Work input
  18. Work output?
    Work done BY the machine (the force and distance the machine does)
  19. Work done BY a machine (the force and distance the MACHINE does)
    Work output
  20. Mechanical advantage?
    The number that tells how many times a machine multiplies force
  21. The number that tells how many times a machine multiplies force?
    Mechanical advantage.
  22. Mechanical Advantage Equation?
    output force / input force
  23. output force / input force
    Mechanical advantage equation
  24. Mechanical efficiency?
    Compares machines work output with it's work input
  25. Compares machines work output with it's work input
    Mechanical efficiency
  26. Mechanical efficiency equation?
    (work output / work input) x 100%
  27. (work output / work input) x 100%
    Mechanical efficiency equation

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