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As per Chegg answering guidelines, only ques 1 is solved . We will use stress and deflection equations to find the required values. Ap Pi Diancter of sted rod =3//4 in Length of sted rod =100f_(r)" Axial load "=8000b(a) Elongation due to felf weiglt, suspendas boas and total elongation.Clogation due to selt weight is given by{:[S_(1)=(YL^(2))/(2C)=(490 xx100^(2))/(2xx30 xx10^(6)xx144)],[=0.000567fl.]:} ... See the full answer