Maurice Tutor

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    Argosy University/ Phoniex University/
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Category > Computer Science Posted 26 Jul 2017 My Price 4.00

cross-sectional area

An air-conditioning unit weighing 1200 lb is bolted at the middle of two parallel simply supported steel beams (Fig. P3.5). The clear span of the beams is 8 ft. The second moment of cross-sectional area of each beam is 10 in4. The motor in the unit runs at 300 rpm and produces an unbalanced vertical force of 60 lb at this speed. Neglect the weight of the beams and assume 1% viscous damping in the system; for steel E = 30,000 ksi. Determine the amplitudes of steady-state deflection and steady-state acceleration (in g’s) of the beams at their midpoints which result from the unbalanced force.

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Maurice Tutor
(5)
Status NEW Posted 26 Jul 2017 06:07 PM My Price 4.00

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