Physics,2.01x
posted by Uncle Sam .
The shaft ABC is a solid circular cylinder of constant outer diameter 2R and length 3L. The shaft is fixed between walls at A and C and it is composed of two segments made of different materials. The left third of the shaft (AB) is composed of a linear isotropic elastic material of shear modulus G0, while the right twothirds of the shaft (BC) is composed of a different linear elastic material of shear modulus 2G0. The right segment, BC, is subjected to a uniform distributed torque per unit length t0[N⋅m/m].
Obtain symbolic expressions in terms of R, G0, L, t0, and x for the quantities below. In your answers, leave rationals as fractions and enter G0, t0, and π as G_0, t_0 and pi, respectively.
The xcomponent of the reaction torque at C:
TCx=
Q2_1_2 : 60.0 POINTS
The twist rate dφdx(x), and the position x0 along the shaft where the twist rate goes to zero (dφdx(x0)=0):
for0≤x<L,dφdx(x)=
forL<x≤3L,dφdx(x)=
dφdx(x0)=0atx0=
Q2_1_3 : 60.0 POINTS
The maximum absolute value of the shear stress in the shaft (τmax) and its location (rτmax, xτmax):
τmax=
rτmax=
xτmax=
Q2_1_4 : 100.0 POINTS
The maximum value of the rotation field φ(x) along the shaft (φmax), and the position along the shaft where the maximum rotation occurs (xφmax):
φmax=
xφmax=

Physics,2.01x 
superman
Q2_1_1
TXC=t_0*L
Q2=1_2
a) 0<=x<L ===>> (2*t_0*L)/(pi*G_0*R4)
b)L<=x<=3L =>>(2*t_0*(2*L))/pi*G_0*R^4)
c) x=2*L 
Physics,2.01x 
access014
TXC=3/2*t_0*L
Q2_1_2:
d*phi/dx = (t_0*L)/(pi*G_0*R^4)
d*phi/dx = (t_0*(3*L2*x))/(2*pi*G_0*R^4)
x0 = 3/2*L
some one for the rest?
Q2_1_3:
rômax = R
xômax =3*L 
Physics,2.01x 
ElementarySchoolStudent
tau max=(4*t_0*L)/(pi*R^3)

Physics,2.01x 
ElementarySchoolStudent
There is a error in tau max
the correct answer is
tau max =(3*t_0*L)/(pi*R^3) 
Physics,2.01x 
11YearsOldMITStudent
This is my last chance and I need to see if my calculus is correct.
Is it correct ?
Q2_2_4
vA=5.82 cm ?? 
Physics,2.01x 
sick yoda
Q2_2_4
Yes , it is 5.823 cm 
Physics,2.01x 
Simon76
Q2_1_4
phi_max = 9/8*t_0*L^2/(pi*G_0*R^4)
x_phi_max = 3/2*L 
Physics,2.01x 
MAn
Help with the rest
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