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FIGURE P5.54
Force Method
5.55 Find the displacement of joint
d
of the space frame of Fig. P5.55. Let
M
=
1
.
13 N
·
m
90 GN/m
2
,
I
y
538 cm
4
,I
x
869 cm
4
,
and for each bar
E
=
6
.
=
I
z
=
3
.
=
5
.
ν
=
0
.
33
,
=
.
.
0
254 m
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