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Homework Help: Find load with jack and piston

  1. Dec 2, 2005 #1
    A hydraulic jack has a pump piston of diameter 0.650cm, and a load piston of 4.40cm. Find the load which can be lifted if a force of 500.N is exerted on the pump piston.

    Would you use the equation Fd=F(2)d(2)?
    So (0.00650m)(500.N)=F(.0440m)
    =73.9N
     
  2. jcsd
  3. Dec 2, 2005 #2

    Doc Al

    User Avatar

    Staff: Mentor

    No. The hydrostatic principle here is that the pressure is the same for both pistons. (How do force, pressure, and area relate to each other?)
     
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