Derive an expression for the pressure difference between two points in the same…

PHYSICS · Subjective · AP · Physics 1: Algebra-based · Fluids · Fluids

Problem

Derive an expression for the pressure difference between two points in the same column of a fluid at rest that are separated vertically by a distance

\Delta y

. Show that

P_2-P_1=\rho g\Delta y

, where

P_2

is the pressure at the lower point.