A slender rod AB, of mass m, is attached to blocks A and B which move freely
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A slender rod AB, of mass m, is attached to blocks A and B which move freely in the guides shown. The constant of the spring is k, and the spring is unstretched when θ = 0.
(a) Neglecting the mass of the blocks, derive an equation in m, g, k, l, and θ which must be satisfied when the rod is in equilibrium.
(b) Determine the value of θ when m = 2 kg, l = 750 mm, and k = 30 N/m.
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B.
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