The collar of weight W starts from rest at A and is lifted by applying a constant
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The collar of weight W starts from rest at A and is lifted by applying a constant vertical force F to the cord. If the rod is smooth, determine the power developed by the force at the instant θ = θ2.
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Given: W = 10 lbf F = 25 lbf 82 = 60 deg a = 3 ft b = 4 ft
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