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PROBLEM (10.12) Calculate the deflection at the center of the beam shown in Fig. P10.10 if the
beam is a solid rod of diameter d.
Given: d = 2 in., P = 80 lb, L = 3 ft, E = 10 x 106 psi.
SOLUTION
See solution of Prob.10.10:
22 3
1(24 42 19 )
48
P
vLxLxL
EI
=−+
For x=L/2:
33
64
1 1 80(3 12)
12 1210 10 ( 2 64)
CPL
vEI
π
×
==
××
3
39.6 10 .in
−
=×
1
/
1
100%