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A problem from a unified engineering course in spring 2004, where students are asked to find the critical value of the load p that will cause the collapse of a rigid bar with two spring supports of stiffness k, oriented at an angle q to the vertical. The bar is initially held vertical and pinned at one end.
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Unified Engineering Spring 2004
Problem M The diagram below shows a rigid bar, length L, pinned at one end, which is initially held vertical. The bar is stabilized by the pair of linear springs, stiffness k, orientated at the angle q to the vertical. Find the critical value of the load P which will cause collapse of this assembly. Hint: Consider the equilibrium of the bar at a small displacement from the equilibrium position shown.
q q k (^) k
