A rod of length 1.05 m having negligible mass supported at its ends by two wires of steel (wire A) and aluminium (wire B) of equal lengths as shown in respectively. At what point along the rod should a mass m be suspended in order to produce (a) equal stresses and (b) equal strains in both steel and aluminium wires.

Answer

(a ) 0.7 m (b) 0.43 m from steel wire