2
0
3
0
4
0
3
4
4
5
5
6
xL
x
L
x
L
x
L
ρ
⎛⎞
⇒
=
⎜⎟
⎝⎠
⇒
=
⇒
=
Name______________________
ESM 2104
With Answers
Test #3
October 31, 2007
Closed book, but you may use one 8½”x 11" formula sheet (one side only).
There are 15 questions, equally weighted.
1.
Fill in your name on this exam sheet.
2.
Fill in your name and ID number on the orange opscan form
3.
On the upper righthand corner of the this test is a Form Letter.
Fill in your Form letter
on your opscan
4.
You must show some supporting work on the test or you could receive no credit.
Sign the following pledge:
I have neither given nor received unauthorized aid on this exam.
___________________________
The mass per unit length of the slender rod varies with
position
x
according to
2
0
.
x
L
ρρ
=
1.
The center of mass is located at
x
equals
1.
/3
L
2.
4/
9
L
3.
/2
L
4.
5/
9
L
5.
3/
5
L
6.
8
L
7.
7
L
8.
4
L
9.
5
L
10.
6
L
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View Full Document31.3 kN
24.0 kN
50.0 kN
43.8 kN
8.00 kN
50.0 kN
B
CC
CH
C
GH
T
C
DC
C
FC
F
GT
=
=
=
=
=
=
The truss is loaded as shown.
2.
The force in member
BC
is most
nearly
1.
8.00 kN
T
2.
8.00 kN
C
3.
24.0 kN
T
4.
24.0 kN
C
5.
31.2 kN
T
6.
31.2 kN
C
7.
43.8 kN
T
8.
43.8 kN
C
9.
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 Fall '07
 SLHendricks
 kN

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