sm11 7

________________________________________________________________________
PROBLEM (11.7) Solve Prob. 11.4, assuming that the two rigid bars AB and BC are
replaced by a single rigid bar AC of length 2a and that the support at A is removed.
SOLUTION
0:
C
M
=
∑
(2)()Pa kaa 0
θ
θ
−
+=
From which
1
2
cr
Pk=a
a a
θ
θ
A
P
C
a
BaFk
θ
=
2a
θ
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