BMAT 2006 Q11 physics

Hey, i really don’t understand how the answer is C. Isn’t force the constant here? Taking force as the constant value and dividing it by area, i got 0.03N/cm^2 as the answer; A. Why is the pressure the constant here even though there’s a large difference in area? Please help

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Hi
I guess the pressure is constant through a closed system (Hydraulic system) according to Pascal’s law since the pressure is unchanged throughout the fluid in it.

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I totally forgot about the hydraulic system… Thank you so much❤️