PROBLEM 10.82 Spring ABof constant 10 lb/in. is attached to two identical drums as shown. Knowing that the spring is unstretched when 0θ=and that 40 lb,W=determine the values of less than 180°corresponding to equilibrium. State in each case whether the equilibrium is stable, unstable, or neutral. SOLUTION See sketch, Problem 10.81. Using Equation (2) of Problem 10.81, with
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