Practice assignment No. 12 1. Problem No. 1: A 3-m pole is supported by a ball-and-socket joint at A and by the cables CD and CE. a) Draw the free body diagram of the pole. How many unknowns are there? How many equations of equilibrium do you have? Is the problem statically determinate? b) Is the pole stable under current loading? Can you provide an example of a loading that could make the pole unstable? c) Under current loading, determine the tension in cables CD and CE and the reaction at A. 1.5 m 1.2 m D 2 m E 5 kN B Im
Practice assignment No. 12 1. Problem No. 1: A 3-m pole is supported by a ball-and-socket joint at A and by the cables CD and CE. a) Draw the free body diagram of the pole. How many unknowns are there? How many equations of equilibrium do you have? Is the problem statically determinate? b) Is the pole stable under current loading? Can you provide an example of a loading that could make the pole unstable? c) Under current loading, determine the tension in cables CD and CE and the reaction at A. 1.5 m 1.2 m D 2 m E 5 kN B Im
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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