def shear_bending_stress(V, Q, I, b):
    """ Shear stresses due to bending

    :param float V: Shear max_force in y direction
    :param float Q: first moment of in cross section in y direction
    :param float I: Area moment of inertia around the y axis
    :param float b: thickness

    :returns: Shear stress resulting from bending
    :rtype: float
    """

    return (V * Q) / (I * b)