Q7: The structure consists of a collar at B that is free to slide along a straight fixed bar AC. Mounted on the collar is a frictionless pulley, around which a cable supporting a 5 lb weight is wrapped. The collar is further supported by a bar BD. (a) If a = 0°, determine the force in bar BD needed to keep the system in equilibrium. (b) Determine the value of a, that will provide for the smallest force in bar BD, and determine the value of this force. E B 30° 5 lb

Q7: The structure consists of a collar at B that is free to slide along a straight fixed bar AC. Mounted on the collar is a frictionless pulley, around which a cable supporting a 5 lb weight is wrapped. The collar is further supported by a bar BD. (a) If a = 0°, determine the force in bar BD needed to keep the system in equilibrium. (b) Determine the value of a, that will provide for the smallest force in bar BD, and determine the value of this force. E B 30° 5 lb

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

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter10: Virtual Work And Potential Energy

Section: Chapter Questions

Problem 10.62P: The bar ABC is supported by three identical, ideal springs. Note that the springs are always...

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