For the plane strain elements shown in Figure P6–9, the nodal displacements are given a...

For the plane strain elements shown in Figure P6–9, the nodal displacements are given a

u₁ = 0:001 in: v₁ = 0:005 in: u₂ = 0:001 in:

v₂ = 0:0025 in: u₃ = 0:0 in: v₃ = 0:0 in:s

Determine the element stresses σ_x; σ_y; τ_xy; σ₁, and σ₂ and the principal angle θp. Let E = 30 × 106 psi and n = 0:25, and use unit thickness for plane strain. All coordinates are in inches.