The figure shows an idealized structure consisting of a rigid bar AB with pinned connection at...
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The figure shows an idealized structure consisting of a rigid bar AB with pinned connection at one end and a linearly elastic spring of stiffness k. For smal rotations of the bar AB about B, the critical load P, is given by P K (A) k-a ka l (C) a A B www (B) 2kl 2ka (D) l The figure shows an idealized structure consisting of a rigid bar AB with pinned connection at one end and a linearly elastic spring of stiffness k. For smal rotations of the bar AB about B, the critical load P, is given by P K (A) k-a ka l (C) a A B www (B) 2kl 2ka (D) l
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