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Hydrauling multiplication

  1. Dec 2, 2006 #1
    1. The problem statement, all variables and given/known data

    I know with hydraulic multiplication a small piston can create an increased force upward on a large piston. But if you take the small piston and pull upward on it creating a vacuum. Would the large piston have a multiplied vacuum force pulling it downward.

    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Dec 3, 2006 #2

    Andrew Mason

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    Perhaps you could explain the configuration you have in mind. If you pull on a hydraulic cylinder, you will push fluid out in front and draw hydraulic fluid in on the back side.

    AM
     
  4. Dec 10, 2006 #3
    I'm wondering if vacuum pressure can be multiplied in the same way fluid pressure can be multiplied.
     
  5. Dec 10, 2006 #4

    Andrew Mason

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    No. Vacuum is the absence of pressure. There is a pressure limit for a vaccum: zero. So the greatest net pressure you can create by creating a vacuum is the ambient pressure.

    AM
     
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