d4t_formulas/assets/formulas/fluids_and_pressure.d4rt
Álvaro González 1bcf829525 more formulas
2026-02-24 10:21:07 +01:00

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[
// Density
{
"name": "Density",
"description": r"""
Mass per unit volume of a substance.
$$\rho = \frac{m}{V}$$
Where:
- $\rho$: Density ($\mathrm{kg/m^3}$)
- $m$: Mass (kilograms)
- $V$: Volume (cubic meters)
Density is an intrinsic property of materials.
![Density illustration (Wikipedia)](https://upload.wikimedia.org/wikipedia/commons/thumb/2/2d/Density_of_solids.svg/800px-Density_of_solids.svg.png)""",
"input": [
{"name": "m", "unit": "kilogram"},
{"name": "V", "unit": "cubic meter"}
],
"output": {"name": "rho", "unit": "kilogram per cubic meter"},
"d4rtCode": "rho = m / V;",
"tags": ["physics", "mechanics", "material"]
},
// Pressure
{
"name": "Pressure",
"description": r"""
Force applied perpendicular to a surface per unit area.
$$P = \frac{F}{A}$$
Where:
- $P$: Pressure (Pascals)
- $F$: Force (Newtons)
- $A$: Area (square meters)
Pressure is transmitted equally in all directions in fluids.
![Pressure (diagram) (Wikipedia)](https://upload.wikimedia.org/wikipedia/commons/thumb/9/95/Pressure_in_fluid.svg/800px-Pressure_in_fluid.svg.png)""",
"input": [
{"name": "F", "unit": "newton"},
{"name": "A", "unit": "square meter"}
],
"output": {"name": "P", "unit": "pascal"},
"d4rtCode": "P = F / A;",
"tags": ["physics", "mechanics", "fluid"]
},
// Buoyant Force
{
"name": "Buoyant Force",
"description": r"""
Upward force exerted on an object immersed in a fluid (Archimedes' principle).
$$F_b = \rho g V$$
Where:
- $F_b$: Buoyant force (Newtons)
- $\rho$: Fluid density ($\mathrm{kg/m^3}$)
- $g$: Gravitational acceleration ($\mathrm{m/s^2}$)
- $V$: Displaced volume (cubic meters)
An object floats when buoyant force equals its weight.
![Archimedes principle (Wikipedia)](https://upload.wikimedia.org/wikipedia/commons/thumb/7/72/Archimedes-principle.svg/960px-Archimedes-principle.svg.png)""",
"input": [
{"name": "rho", "unit": "kilogram per cubic meter"},
{"name": "g", "unit": "meters per square second"},
{"name": "V", "unit": "cubic meter"}
],
"output": {"name": "Fb", "unit": "newton"},
"d4rtCode": "Fb = rho * g * V;",
"tags": ["physics", "fluid", "mechanics"]
}
]