The overhanging steel beam below (Figure 1) is subjected to the load shown. The Young modulus of the steel material is E=200 GPa, and the yield stress is σ = 200 MPa. 20 kN 1.5 m 3.0 m Figure 1 1.5 m 20 kN 15 mm 20 mm 300 mm Check if the beam is safe with respect to yielding (using Von Mises criterion). 200 mm

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The beam is subjected to an internal moment of M = 122 kN.m (Figure 1) Figure 30 mm, C. B 150 mm. M 150 mm 300 mm. 2 4 30 mm 1 of 1 ▼ Part A Determine the bending stress developed at point A. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. A=148 Submit Part B μÁ MPa www Previous Answers Request Answer R= 624 MPa X Incorrect; Try Again; 4 attempts remaining ? Determine the bending stress developed at point B. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension.