cross sections of bronze and copper bars of equal lengt b c are their Ab and Ac are the respective stresses due to load P. If Pb and Pc are the loads shared by them, (where Eb and Ec are their modulii)____________________?
(A) b c = Eb /Ec
(B) P = Pb + Pc
(C) P = Ab b + Ac b
(D) All the above
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