9. The boom AC in the figure rests in a ball and socket joint at A and is held in equilibrium by the cables BE and CD. The load applied at C. Determine the coordinates of D in the YZ plane so that the force in CD will be a minimum. Neglect the weight of the boom and cables. Answers: y = 16 ft; z = -34.7 ft 300 Ib TER 900 Ib

9. The boom AC in the figure rests in a ball and socket joint at A and is held in equilibrium by the cables BE and CD. The load applied at C. Determine the coordinates of D in the YZ plane so that the force in CD will be a minimum. Neglect the weight of the boom and cables. Answers: y = 16 ft; z = -34.7 ft 300 Ib TER 900 Ib

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter6: Beams And Cables

Section: Chapter Questions

Problem 6.73P: The cable of mass 1.8 kg/m is attached to a rigid support at A and passes over a smooth pulley at B....

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