QUESTION 3 The weldment shown in the figure is subjected to an alternating force F. The hot-rolled steel bar is 10 mm thick and is of AISI 1010 steel. The vertical support is likewise of 1010 steel. The electrode is 6010. (a) Estimate the fatigue load F the bar will carry if three 6-mm fillet welds are used. 6 481 50 -60- 6 49 F