a 8000 kg engine pulls a train of 5 kg wagons , each of 20000 kg along a horizontal track. if the engine exerts a force of 40000 n and the track offers a friction of 5000 n . then calculate

1
(a) the net accelerating force

(b) the acceleration of train and

(c) the force of wagon 1 on wagon 2

by rajinder

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