521_Dynamics 11ed Manual

521_Dynamics 11ed Manual - Engineering Mechanics - Dynamics...

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Engineering Mechanics - Dynamics Chapter 17 draws in the cable with acceleration a , determine the compressive force in the hydraulic cylinder needed to support the boom. The boom has mass m b and mass center at G . Units Used: Mg 10 3 kg = kN 10 3 N = Given: m a 8Mg = m b 2Mg = a 2 m s 2 = b 4m = c 2m = d 6m = e 1m = f = θ 60 deg = g 9.81 m s 2 = Solution: 2 Tm a g m a a 2 = T 1 2 m a gm a a 2 + = T 43.24 kN = 2 Tb c + d + () m b gb c + F CD b + cos 0 = F CD 2 + d + m b + + b = F CD 289kN = *Problem 17-28 The jet aircraft has total mass M and a center of mass at
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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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