A radio transmission tower has a mass of 80 kg and is 12
Chapter 11, Problem 11.80(choose chapter or problem)
A radio transmission tower has a mass of 80 kg and is 12 mhigh. The tower is anchored to the ground by a flexible jointat its base, but it is secured by three cables 120 apart(Fig. 11-50). In an analysis of a potential failure, a mechanicalengineer needs to determine the behavior of the tower if oneof the cables broke. The tower would fall away from thebroken cable, rotating about its base. Determine the speed ofthe top of the tower as a function of the rotation angle 6.Start your analysis with the rotational dynamics equation ofmotion dL/dt = f net. Approximate the tower as a tallthin rod.FIGURE 11-50 80.
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