Question: A rectangular beam has the dimensions shown in Figure P5.44. The normal strain due to bending about the z axis was found to vary as

A rectangular beam has the dimensions shown in Figure P5.44. The normal strain due to bending about the z axis was found to vary as xx=0.01y, with y measured in meters. Determine the equivalent internal moment that produced the given state of strain. The beam is made from an elastic-perfectly plastic material that has a yield stress of yield=250MPa and a modulus of elasticity of E=200GPa
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