Question: Use Castigliano's second theorem to determine the expression for the rotation angle B produced by the external couple Mo applied at the point B of

Use Castigliano's second theorem to determine the expression for the rotation angle B produced by the external couple Mo applied at the point B of a simply supported uniform beam shown in Fig. 1. Assume EI to be constant, and neglect shear effects. (Hint: First determine the vertical reaction forces at A and C from FBD of the whole beam. Next, with the origins at A (for X-Y axes) and C for (X-Y axes) determine the internal moments MAB and MCB in the range 0 and 0 x a x b , then apply Castigliano's second Theorem

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