solid mechanics - deflection?
Axial stifffness k EA/L For Al, A 16x10^-4 pi m^2 For Cu, A (36 - 25)x10^-4 pi m^2 11x10^-4 pi m^2 Force to compress Al by 0.23x10-3 m 0.23 x 10^-3 x 70 x 10^9 x 16 x 10^-4 x pi / 0.15 N 540 kN Force to compress Cu 0.23 x 10^-3 x 110 x 10^9 x 11 x 10^-4 x pi / 0.15 N 583 kN Total force 540 + 583 1123 kN 1.123 MN
