150_Dynamics 11ed Manual

150_Dynamics 11ed Manual - Engineering Mechanics - Dynamics...

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Engineering Mechanics - Dynamics Chapter 13 Problem 13-6 The baggage truck A has mass m t and is used to pull the two cars, each with mass m c . The tractive force on the truck is F . Determine the initial acceleration of the truck. What is the acceleration of the truck if the coupling at C suddenly fails? The car wheels are free to roll. Neglect the mass of the wheels. Given: m t 800 kg = m c 300 kg = F 480 N = Solution: + Σ F x = ma x ; Fm t 2 m c + () a = a F m t 2 m c + = a 0.343 m s 2 = + Σ F x = ma x ; t m
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