A rigid bar ABCD is supported by two bars as shown in the figure. There is no strain in the vertical bars before load Pis applied. After load Pis applied, the normal strain in rod (1) is -1160 µm/m. Determine the normal strain in rod (2) if there is a 1-mm gap in the connection at pin C before the load is applied.

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Slope and Deflection

The slope in a deflected beam is described as an angle in radians made by the tangent of the section with the original axis of the beam. The deflection at any point on the axis of the beam is defined as the lateral displacement of the point before and after loading.