A little pressure.
A visible difference.
Two columns. One connected body of water.
Change the pressure on the left and watch the levels respond.
APPLIED PRESSURE0.00kPa / RELATIVE
Positive pressure pushes the left surface down.
WATER / STATIC MODEL
LEVEL DIFFERENCE0MILLIMETERS
ΔP = ρgΔh
IDEALIZED HYDROSTATIC MODEL · WATER DENSITY 1,000 kg/m³ · g = 9.81 m/s²
DIAGRAM IS SCHEMATIC; LEVEL DIFFERENCES ARE CALCULATED.