1. The problem statement, all variables and given/known data A steel rod with a length of l = 1.55 m and a cross section of A = 4.52 cm^2 is held fixed at the end points of the rod. What is the size of the force developing inside the steel rod when its temperature is raised by ∆T = 41.0 K? (The coefficient of linear expansion for steel is α = 1.17×10-5 1/K, the Young modulus of steel is E = 200 GPa.) 2. Relevant equations F=EA(ΔL/L) ΔL = L*α*ΔT 3. The attempt at a solution OK, here is what I have done: 1) Convert GPa to Pa. In my case, 200 GPa = 2*(10^11)Pa. Also, convert A from cm^2 to m^2. 2) Find ΔL: L*α*ΔT (L in m, α, and ΔT in K given). 3) Apply ΔL to F = EA(delta L/L). Thank you for any assistance.