Question

Two pages prode lr atl pro NOTE: (1) Write on ONE SIDE of the page only. (2) Please place all final answers in the ANSWER BOX! O1. (85 points) The simple truss shown consists of a boom AB and rod BC joined by pins. Both boom AB and rod BC thickness of 7 mm and a height of 29 mm and its elongation cannot exceed ±0.5 mm. R cross section with a diameter of 22 mm and has an allowable normal stress of 165 MPa. Using the above conditions, determine the maximum value for the load P that can be applied safely at point B. Place all are mode out of steel (E-210 GPa). The cross section of boom AB is rectangular with a od BC has a circular ntermediate and final answers along with units in the Answer Box provided at the end of the problem. emember to draw free body diagrams with proper labels whenever needed!) nt: Solve for FAB and Fec in terms of P apply the safety conditions d-22 mm 300 mm 29 mm 400 mm

Answer 1