Equations
Buoyant force (Archimedes' principle)
Fluids · id buoyant_force
F_b = \rho V g
| Symbol | Quantity | Unit | Meaning | Usual range |
|---|---|---|---|---|
Fb | buoyant force | N | Upward force from the displaced fluid | 0 to 1e+07 |
rho | fluid density | kg/m^3 | Density of the fluid | 0.01 to 30000 |
V | displaced volume | m^3 | Volume of fluid displaced | 1e-09 to 1e+07 |
g | gravitational acceleration | m/s^2 | Local acceleration due to gravity | 1 to 30 |
Assumptions
- Fluid at rest
- Uniform gravitational field
Valid when
- No extra conditions.
Found by
Questions with these words retrieve this equation: buoyancy, buoyant force, archimedes, float, sink, submerged, boat.
Source
OpenStax University Physics Volume 1, Chapter 14 (reference; entry written by the project). License: MIT. Entry confidence: 0.99.