Answer: A slender rod AB, of weight W, is attached to two
Chapter 10, Problem 10.79(choose chapter or problem)
A slender rod AB, of weight W, is attached to two blocks A and B that can move freely in the guides shown. The constant of the spring is k, and the spring is unstretched when AB is horizontal. Neglecting the weight of the blocks, derive an equation in u, W, l, and k that must be satisfied when the rod is in equilibrium.
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