Problem 4-105/4-106/4-107/ Engineering Mechanics Materials.

Engineering Mechanics problem with solution.
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4–105. The rigid beam is supported by three 25-mm diameter A-36 steel rods. If the force of P = 230 kN is applied on the beam and removed, determine the residual stresses in each rod. Consider the steel to be an elastic
perfectly-plastic material.

4–106. A material has a stress–strain diagram that can be described by the curve
s = cP1/2. Determine the deflection
of the end of a rod made from this material if it has a length L , cross-sectional area A , and a specific weight g.

4–107. Solve Prob. 4–106 if the stress–strain diagram is defined by s = cP3/2.