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import numpy #importing math #fn = ("Normal Force") #Fk = ("Kinetic Force")j #g = ("Gravity") #ukA = ("Coefficient of Kinetic Friction") #usA = ("Coefficient of Static Friction") #FfA = ("Frictional Force") #FSMAX = ("Force of static friction maximum value.") #usequation = () #ukequation = (fk/fn) 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))) #now I can perform trig functions very easily bob = input("Do you want to find acceleration or uk? Acceleration is 1, Uk is 2, uk with newtons is 3, and acceleration up is 4.") #what are we solving for? if bob == 1: force1 = input("What is the newtons given?") ang = input("What is the angle given?") mass = input("What is the mass given?") uk = input("What is the uk given?") g = input("What is gravity?") #what do we need to know? fappliedy = (force1 * (dsin(ang))) fappliedx = (force1 * (dcos(ang))) fn = (mass * g) - fappliedy fk = uk * fn acc = (fappliedx - fk * mass) #plugging into equations print "The answer is %s." % (acc) #print answer. Notice %s helps clear things up. elif bob == 2: force1 = input("What is the newtons given?") ang = input("What is the angle given?") mass = input("What is the mass given?") acc = input("What is the acceleration given?") g = input("What is gravity?") Fgdr = (numpy.sin(ang* 3.1415/180)) * (mass * g) blah = (mass * acc) Fk = Fgdr - blah Fn = numpy.cos(ang)*(g * mass) Uk = Fk/Fn print "The answer is %s." % (Uk) elif bob == 3: fg = input("What is the object newtons. Include decimal.") ang = input("What is the angle? Include decimal.") fapp = input("What is the force in newtons? Include decimal.") acc = 0 SFX = 0 SFY = 0 Fxap = fapp * dcos(ang) Fn = fg - fapp*dsin(ang) UK = Fxap / Fn print "The answer is %s." % (UK) elif bob == 4: Uk = input("What is the Uk") Fa = input("What is the Force") m = input("What is the mass") Aa = input("What is the active angle") As = input("What is the angle of being pulled") g = 9.81 Fgy = m*g*numpy.cos(Aa) Fgx = m*g*numpy.sin(Aa) Fappx = Fa*numpy.cos(As) Fappy = Fa*numpy.sin(As) Fnety = 0 Fn = Fgy - Fappy Fk = Uk * Fn Fnetx = Fappx - Fk - Fgx Ax = Fnetx / m print "The answer is %s." % (Ax) else: print "That is not an option."

Do you want to find acceleration or uk? Acceleration is 1, Uk is 2, uk with newtons is 3, and acceleration up is 4.2

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