616_Dynamics 11ed Manual

616_Dynamics 11ed Manual - Engineering Mechanics - Dynamics...

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Engineering Mechanics - Dynamics Chapter 18 Problem 18-34 The beam has weight W and is being raised to a vertical position by pulling very slowly on its bottom end A . If the cord fails when θ = 1 and the beam is essentially at rest, determine the speed of A at the instant cord BC becomes vertical. Neglect friction and the mass of the cords, and treat the beam as a slender rod. Given: W 1500 lb = 1 60 deg = L 13 ft = h 12 ft = a 7f t = g 32.2 ft s 2 = Solution: W L 2 sin 1 () ha 2 1 2 W g v A
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This note was uploaded on 08/16/2011 for the course EGN 3321 taught by Professor Christianfeldt during the Spring '08 term at University of Central Florida.

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