The rod assembly is supported by journal bearings at A and B, which develops only x and z force reactions on the shaft. If the shaft AB is subjected to a couple moment M₀j and at the instant shown the shaft has an angular velocity ωj, determine the reactions at the bearings when the assembly is in the position shown. Also, what is the shaft's angular acceleration? The mass density of each rod is ρ.

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Given: @=-5 p = 1.5 rad S kg m a = 500 mm b = 300 mm Mo = 8 N-m c = 500 mm d = 400 mm e = 300 mm 8 = 9.81 m B