PROBLEM 10.39 The lever ABis attached to the horizontal shaft BCwhich passes through a bearing and is welded to a fixed support at C. The torsional spring constant of the shaft BCis K; that is, a couple of magnitude Kis required to rotate end Bthrough 1 rad. Knowing that the shaft is untwisted when ABis horizontal, determine the value of θcorresponding to the position of equilibrium when 400 lb,P=10 in.,
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