Physics please help!!

Piston 1 has a diameter of 0.524cm Piston 2 has a diameter of 5.64 cm. In the absence of friction, determine the force required on piston 1 necessary to support an object, m, with weight 1072 N. (Neglect the height difference between the bottom of the two pistons, and assume that the pistons are massless)

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asked by Megan
  1. The pressure is the same.

    Force1/Area1=Force2/area2

    figure the area of each (area=PI (diameter/2)^2)

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    posted by bobpursley
  2. Is the 1072N=F2?

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    posted by Megan
  3. yes.

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    posted by bobpursley
  4. So F1/2.15E-5=1072N/2.4E-3
    F1= 2.15E-5*(1072/2.4E-3)
    F1=9.63E10 N

    I think I did this right but the answer comes up wrong when I submit it

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    posted by Megan

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