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173_Dynamics 11ed Manual

# 173_Dynamics 11ed Manual - A when the system is released...

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Engineering Mechanics - Dynamics Chapter 13 Solution: s A s B + L = Guesses a A 1 m s 2 = a B 1 m s 2 = T 1N = N A 1N = N B 1N = Given a A a B + 0 = N A m A g cos θ () 0 = N B N A m B g cos () 0 = T μ AB N A m A g sin () m A a A = T AB N A + BC N B + m B g sin () m B a B = a A a B T N A N B Find a A a B , T , N A , N B , () = T N A N B 84.58 84.96 509.74 N = a A a B 1.854 1.854 m s 2 = a BA a B a A = a BA 3.708 m s 2 = t 2 s' a BA = t 0.519 s = *Problem 13-36 Determine the acceleration of block
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Unformatted text preview: A when the system is released from rest. The coefficient of kinetic friction and the weight of each block are indicated. Neglect the mass of the pulleys and cord. Given: W A 80 lb = W B 20 lb = 60 deg = k 0.2 = 171...
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