Answered: k = 4 lb/in. B, 0000 k = 2 lb/in. 4 ft…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

The uniform bar AB weighs 100 lb. If both springs DE and BC are unstretched when θ = 90°, determine the angle θ for equilibrium using the principle of potential energy. Investigate the stability at the equilibrium position.
Both springs always act in the horizontal position because of the roller guides at C and E.

k = 4 lb/in.
B,
0000
k = 2 lb/in.
4 ft
2 ft
Prob. R11-7

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