To derive the pressure equation $\Delta p = \rho g \Delta h$, several links between quantities are used. Which relationship is not involved in deriving this equation?
- Adensity $= \frac{\text{mass}}{\text{volume}}$
- Bpotential energy $= \text{mass} \times \text{acceleration of free fall} \times \text{height}$
- Cpressure $= \frac{\text{force}}{\text{area}}$
- Dweight $= \text{mass} \times \text{acceleration of free fall}$