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Description: Jupyter html version of Chapeter 4.ipynb
Chapeter 4

Physics Chapter 4

Practice E

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import numpy
def dsin(degrees):
    return (numpy.sin(numpy.radians(degrees)))
def dcos(degrees):
    return (numpy.cos(numpy.radians(degrees)))
def dtan(degrees):
    return (numpy.tan(numpy.radians(degrees)))
gravity = 9.81
giraffes = input("Do you want to find acceleration or uk? Acceleration is 1, Accleration up is 2, Uk is 3, Uk up is 4, Free acceleration is 5.")
if giraffes == 1:
    #questions
    AppliedForce = input("What is the given applied force?")
    AngleH = input("What is the Angle?")
    Uk = input("What is the uk?")
    Mass = input("What is the mass?")
    #equations
    fay = (AppliedForce * (dsin(AngleH)))
    fax = (AppliedForce * (dcos(AngleH)))
    fg= (Mass * gravity)
    fn= (fg-fay)
    fk= (Uk * fn)
    a= (fax-fk)/(Mass)
    print("Acceleration is: %s " % a)
if giraffes == 2:
    AppliedForce = input("What is the given applied force?")
    AngleH = input("What is the angle horozontal to the ground?")
    AngleVertical = input ("What is the angle being pulled up at?")
    Uk = input("What is the uk?")
    Mass = input("What is the mass?")
    Fyup = (AppliedForce * (dsin(AngleVertical)))
    Fg = (Mass * gravity)
    Fn = (Fg * (dcos(AngleH)))
    Fxx = (AppliedForce * (dcos(AngleVertical)))
    FDR = (Fg * (dsin(AngleH)))
    Ff = (Fn-Fyup)
    Fk = (Uk * Ff)
    Acc = (Fxx-Fk-FDR)/Mass
    print("Acceleration is: %s " % Acc)
if giraffes == 3:
    Acc = input ("What is the acceleration?")
    Angle = input ("What is the given angle?")
    Mass = input ("What is the mass?")
    fg = (gravity * Mass)
    fn = (fg * (dcos(Angle)))
    fdr = (fg * (dsin(Angle)))
    f = (Mass* Acc)
    fk = (fdr-f)
    Uk = (fk/fn)
    print("Uk is : %s " % Uk) 
if giraffes == 4:
    Fg = input ("What is the weight?")
    Fax = input ("What is the applied force?")
    Ang = input ("What is the Angle")
    fk = (Fax * (dcos(Ang)))
    fn = (Fg - (Fax * (dsin(Ang))))
    uk = (fk/fn)
    print("Uk is : %s" % uk)
if giraffes == 5:
    gravity = 9.81
    mass = ("What is the Mass?")
    Uk = ("What is the Uk?")
    ang = ("What is the angle?")
    fg = (gravity* mass)
    fn = (fg* (dcos(ang)))
    fdr = (fg * (dsin(ang)))
    fk = (fn* Uk)
    Sf = (fdr-fk)
    a = (Sf/m)
    print("Acceleration is: %s " % a)
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