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Properties of matter & fluids formulas
17 formulas for Properties of matter & fluids, from the Physics — Formulas section of the Quantix formula library. Tap 🧮 next to a formula to solve it for any variable with step-by-step working.
| Name | Formula | Note |
|---|---|---|
| Density | ρ = m/V 🧮 Solve step by step | kg/m³ |
| Pressure | P = F/A 🧮 Solve step by step | Pa |
| Hydrostatic pressure | P = P₀ + ρgh 🧮 Solve step by step | Pa |
| Buoyant force (Archimedes) | F_B = ρ_fluid · V_displaced · g | N |
| Equation of continuity | A₁v₁ = A₂v₂ 🧮 Solve step by step | |
| Bernoulli's equation | P + ½ρv² + ρgh = constant | |
| Torricelli | v = √(2gh) 🧮 Solve step by step | efflux speed |
| Stokes' law | F = 6πηrv 🧮 Solve step by step | N |
| Terminal velocity | v_t = 2r²(ρ − σ)g / 9η 🧮 Solve step by step | |
| Viscous force | F = ηA (dv/dx) | |
| Reynolds number | Re = ρvD/η 🧮 Solve step by step | dimensionless |
| Young's modulus | Y = (F/A)/(ΔL/L) 🧮 Solve step by step | Pa |
| Bulk modulus | B = −ΔP/(ΔV/V) 🧮 Solve step by step | Pa |
| Shear modulus | G = (F/A)/θ 🧮 Solve step by step | Pa |
| Surface tension | T = F/L 🧮 Solve step by step | N/m |
| Excess pressure (drop / bubble) | 2T/r / 4T/r | |
| Capillary rise | h = 2T cos θ / (rρg) 🧮 Solve step by step | m |
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