Problem 1: For the bar subjected to the linear varying axial load shown in Figure, deter-...

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Problem 1: For the bar subjected to the linear varying axial load shown in Figure, deter- mine the nodal displacements and axial stress distribution using (a)three equal-length elements and (b) five equal-length elements. Let A = 2 in. and E = 30 106 psi. Compare the finite element solution with an exact solution. 60 in. Tx = 10x lb/in. Problem 1: For the bar subjected to the linear varying axial load shown in Figure, deter- mine the nodal displacements and axial stress distribution using (a)three equal-length elements and (b) five equal-length elements. Let A = 2 in. and E = 30 106 psi. Compare the finite element solution with an exact solution. 60 in. Tx = 10x lb/in.