PROBLEM 10.70 Two uniform rods, each of mass mand length l, are attached to gears as shown. For the range o0180θ≤≤, determine the positions of equilibrium of the system and state in each case whether the equilibrium is stable, unstable, or neutral. SOLUTION Potential energy cos1.5cos22llVWWWmgθθ=+=()()1.5sin1.5sin22θθθ=−+−dVWlWld()1.5sin1.5
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