P = F/A

A = pr²

P = F₁/A₁ = F₂A₂

F₁ < F₂ by a factor of A₁/A₂

ρ

kilogram/meter³ (Kg/m³)

m

Kilogram (kg)

V

meters³ (m³)

P

Pascals (Pa)

A

meters² (m²)

h

meters (m)

g

9.8 m/s²

KE

Joules (J)

PE

Joules (J)

v

meters/seconds (m/s)

Density

(SU)

r

 Kg/m³

Mass

(SU)

m

Kg

Volume

(SU)

V

m³

Force

(SU)

F

N

Pressure

(SU)

P

Pa (Pascal)

Area

(SU)

A

m²

Height or Depth

(SU)

h

m

Gravity acceleration g

(SU)

g

9.8 m/s²

Kinetic Energy

(SU)

KE

Joules

Potential Energy

(SU)

PE

Joules

Velocity

(SU)

v

m/s

r A₁v₁

density x flow rate

t A₁v₁

flow rate x time