Can someone help me with this problem:(adsbygoogle = window.adsbygoogle || []).push({});

A 1.05 m-long rod of negligible weight is supported at its ends by wires A and B of equal length. The cross-sectional area of A is 2.00 mm^2 and that of B is 4.00 mm^2. Young's modulus for wire A is 1.80*10^11 Pa; that for B is 1.20*10^11 Pa. At what point along the rod should a weight w be suspended to produce a) equal stresses in A and B? b) equal strains in A and B?

stress is [pulling force]/[cross-sectional area] and strain is the relative strain of the wires: dL/L. Young's modulus is the ration [stress]/[strain], which is constant.

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Equilibrium problem

**Physics Forums | Science Articles, Homework Help, Discussion**