NCERT Exercise 8.10 - Mechanical Properties of Solids
Question: A 15 kg bar is supported by three 2.0 m wires (two copper at ends, one iron in middle). Find ratio of diameters for equal tension in each wire.
Answer: d_Cu/d_Fe = **sqrt(Y_Fe/Y_Cu) = about 1.31**.
Full step-by-step NCERT solution with diagrams on Something by Zero.