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Procession angle ψ of the electric fan is unsteady and the spin rate Ω is constant at 1800 revmin The fan blade assembly has a mass of 10 kg and its radii of gyration are 200 mm about the spin

Procession angle ψ of the electric fan is unsteady, and the spin rate Ω is constant at 1800 rev/min. The fan blade assembly has a mass of 10 kg, and its radii of gyration are 200 mm about the spin axis and 150 mm about a centroidal axis perpendicular to the spin axis. This assembly may be considered to be axisymmetric. Determine the dynamic force–couple system that must be exerted on the motor housing at pin A to sustain this motion.

 

Jun 16 2020 View more View Less

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