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A 4-ft concrete post is reinforced with four steel bars, each with a 3/4-in

Mechanical Engineering

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A 4-ft concrete post is reinforced with four steel bars, each with a 3/4-in. diameter. Knowing that E_s = 29 X 10⁶ psi and E_c = 3.6 X 10⁶ psi, determine the normal stresses in the steel and in the concrete when a 150-kip axial centric force P is applied to the post.