Question: dynamics Problem 1: A train consists of a 50-Mg engine and three cars, each having a mass of 30 Mg. If it takes 80 s

dynamics

Problem 1: A train consists of a 50-Mg engine and three cars, each having a mass of 30 Mg. If it takes 80 s for the train to increase its speed uniformly to 40 km/h, starting from rest, determine the force T developed at the coupling between the engine E and the first car A. The wheels of the engine provide a resultant frictional tractive force F which gives the train forward motion, whereas the car wheels roll freely. Also, determine Facting on the engine wheels

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