Python/physics/centripetal_force.py at master · twilight-debugger/Python · GitHub

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"""

F = mv²/r
Where, F = Centripetal Force
       m = Mass of the Body
       v = Tangential Velocity
       r = Radius of Circular Path

"""


def centripetal(mass: float, velocity: float, radius: float) -> float:
    """
    The Centripetal Force formula is given as: (m*v*v)/r

    >>> round(centripetal(15.5,-30,10),2)
    1395.0
    >>> round(centripetal(10,15,5),2)
    450.0
    >>> round(centripetal(20,-50,15),2)
    3333.33
    >>> round(centripetal(12.25,40,25),2)
    784.0
    >>> round(centripetal(50,100,50),2)
    10000.0
    """
    if mass < 0:
        raise ValueError("The mass of the body cannot be negative")
    if radius <= 0:
        raise ValueError("The radius is always a positive non zero integer")
    return (mass * (velocity) ** 2) / radius


if __name__ == "__main__":
    import doctest

    doctest.testmod(verbose=True)