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## Homework Statement

Two pipes are connected by a manometer shown in the figure.

## Homework Equations

F

_{R}= [itex]\gamma[/itex]*h

_{c}*A

y

_{R}= y

_{c}+ [itex]\frac{I_xc}{y_c*A}[/itex]

## The Attempt at a Solution

P

_{B}- P

_{A}= [itex]\gamma[/itex]

_{water}*1.1m - [itex]\gamma[/itex]

_{Fluid}*0.6m + [itex]\gamma[/itex]

_{water}*0.8m = 3.33 kPa

I checked my answer and it was all okay except the answer was supposed to be -3.33 kPa. Can someone brief me on why that is?