
Arturo O. answered 06/29/18
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The pressure must be the same throughout the lift, so
P = F1/A1 = F2/A2 ⇒
A2 = (F2/F1)A1
F2 = 1,100 N
F1 = 15,000 N
A1 = 10 m2
Plug in the numbers and evaluate A2. The answer will come out in m2.