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)____________________?

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 d 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