Question

7. A 8000 kg engine pulls a train of 5 wagons, each of 2000 kg
along a horizontal track. If the engine exerts a force of 40000 N
and the track offers a friction force of 5000 N, then calculate:
(a) the net accelerating force and
(b) the acceleration of the train.
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Answer 1

(a) the net accelerating force and