Question 1 a) The figure shows a horizontal steel bar of thickness h loaded in steady tension and welded to a vertical support. Find the load F that will cause an allowable shear stress, T allow, in the throats of the welds. Problem Number b h Tallow 9-1 50 mm 50 mm 5 mm 140 MPa 9-3 50 mm 30 mm 5 mm 140 MPa