mirror of
https://github.com/TheAlgorithms/Python.git
synced 2024-11-24 05:21:09 +00:00
9278d0c6cd
* Added archimedes principle (physics) * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci * reformated * reformatted archimedes principles Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
50 lines
1.2 KiB
Python
50 lines
1.2 KiB
Python
"""
|
||
Calculates buoyant force on object submerged within static fluid.
|
||
Discovered by greek mathematician, Archimedes. The principle is named after him.
|
||
|
||
Equation for calculating buoyant force:
|
||
Fb = ρ * V * g
|
||
|
||
Source:
|
||
- https://en.wikipedia.org/wiki/Archimedes%27_principle
|
||
"""
|
||
|
||
|
||
# Acceleration Constant on Earth (unit m/s^2)
|
||
g = 9.80665
|
||
|
||
|
||
def archimedes_principle(
|
||
fluid_density: float, volume: float, gravity: float = g
|
||
) -> float:
|
||
"""
|
||
Args:
|
||
fluid_density: density of fluid (kg/m^3)
|
||
volume: volume of object / liquid being displaced by object
|
||
gravity: Acceleration from gravity. Gravitational force on system,
|
||
Default is Earth Gravity
|
||
returns:
|
||
buoyant force on object in Newtons
|
||
|
||
>>> archimedes_principle(fluid_density=997, volume=0.5, gravity=9.8)
|
||
4885.3
|
||
>>> archimedes_principle(fluid_density=997, volume=0.7)
|
||
6844.061035
|
||
"""
|
||
|
||
if fluid_density <= 0:
|
||
raise ValueError("Impossible fluid density")
|
||
if volume < 0:
|
||
raise ValueError("Impossible Object volume")
|
||
if gravity <= 0:
|
||
raise ValueError("Impossible Gravity")
|
||
|
||
return fluid_density * gravity * volume
|
||
|
||
|
||
if __name__ == "__main__":
|
||
import doctest
|
||
|
||
# run doctest
|
||
doctest.testmod()
|