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000
CE 2313
Mechanics of Materials
Examination II
March 29, 2007
Name: _______________________________________
•
There are 5 numbered, equally weighted problems on this exam.
•
Time allowed for the exam is 80 minutes.
•
Read the problems carefully and don’t waste time doing work that is not requested.
•
Problem statements may include information that you do not really need.
•
Provided values have at least three significant digits even when not expressed that way.
•
Draw Free Body Diagrams (or other diagrams) when appropriate!!!!
•
Show each problem solution in detail.
Test credit will be based primarily on your solution method rather
than your numerical solution.
•
If you are filling each page, you are probably doing too much.
If you do need additional space for a
solution or scratch paper, use the back of the preceding test page.
Formulas
0
()
L
Tc
J
Tx
dx
JG
TL
τ
φ
=
=
=
=
∫
∑
3
3
12
12
x
y
A
bh
I
hb
I
=
=
=
2
4
4
4
2
xy
Ar
r
II
r
J
π
=
==
=
2
4
2
8
4
3
r
A
r
r
x
=
=
x
y
r
x
C
x
y
r
C
x
y
h
b
C
ˆ
ˆˆ
x
yz
x
ij
k
M rF r r r
F
FF
×
KK
K
() ()
BB
AA
B
A
xx
BA
x
x
y
z
zy
dV
wx
gx
dx
V
V
w x dx
g x dx
dM
V
dx
MM
V
x
d
x
Mz
My
σ
=−
=
−=
−
=
=
−
+
∫∫
∫
VQ
I t
q
I
Qy
A
=
=
′
′
=
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 Summer '08
 FRANTZISKONIS

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