776_Dynamics 11ed Manual

776_Dynamics 11ed Manual - Engineering Mechanics - Dynamics...

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Engineering Mechanics - Dynamics Chapter 21 ρ 1.30 km = a 0.8 m = b 0.4 m = v 250 m s = Solution: Mm r k AB 2 ω AB v = Guesses A 1N = B = Given Aa Bb M = AB + 0 = A B Find , () = A B 13.7 13.7 kN = Problem 21-67 A motor has weight W and has radius of gyration k z about the z axis. The shaft of the motor is supported by bearings at A and B , and is turning at a constant rate s = z k , while the frame has an angular velocity of y = y j . Determine the moment which the bearing forces at
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