Electricity/Hydraulic analogy

 Hydraulic analogy on Wikipedia

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Electrical units name Mechanical units
q C (coul) analog mass m kg
E N/C = V/m analog acceleration g m/s#2$
F=qE N (newt) same force F=mg N (newt)
V = E d cosθ J/C analog potential Φ = gh m#2$/s#2$
U=qV J (joules) same energy U=mgh J (joules)
I = Δq/Δt C/s = A (amps) analog mass flow Δm/Δt kg/s