Question: * 4 - 6 8 . The C 8 3 4 0 0 red - brass rod A B and 2 0 1 4 -

*4-68. The C83400 red-brass rod AB and 2014-T6 aluminum rod BC are joined at
the collar B and fixed connected at their ends. If there is no load in the members
when T1=50F, determine the average normal stress in each member when
T2=120F. Also, how far will the collar be displaced? The cross-sectional area of
each member is 1.75in2.
Prob. 4-68
* 4 - 6 8 . The C 8 3 4 0 0 red - brass rod A B

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