Question: A square frame as shown has an opening in the middle of the top side. If the applied force P = 100N, find the maximum

A square frame as shown has an opening in the middle of the top side. If the applied force P = 100N, find the maximum principal stress in the frame. Assume the materialis steel with an Elastic Modulus of 200GPa and a Poisson's ratio of 0.3. The cross section of the frame is 1cmx1cm. Clearly indicate on the sketch, the point on the frame of the maximum principal stress. Ignore all stress concentrations in the problem. The force P is applied to centroid of the cross-section. All dimensions are from the section centroids

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