Solved: A turnbuckle, similar to that shown in Fig. 817 ,
Chapter 8, Problem 8-74(choose chapter or problem)
A turnbuckle, similar to that shown in Fig. 8–17, is used to tension member AB of the truss. The coefficient of the static friction between the square-threaded screws and the turnbuckle is \(\mu_s = 0.5\). The screws have a mean radius of 6 mm and a lead of 3 mm. Determine the torque M which must be applied to the turnbuckle to draw the screws closer together, so that the compressive force of 500 N is developed in member BC.
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