A Prob. 11-39 /2
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question
A spring with a torsional stiffness k is attached to the hinge at B. It is unstretched when the rod assembly is in the vertical position. Determine the weight W of the block that results in neutral equilibrium. Hint: Establish the
potential energy function for a small angle θ, i.e., approximate sin θ ≈ 0, and cos θ ≈ 1 - θ2/2.
Transcribed Image Text:A
Prob. 11-39
/2
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