Question

12. In a coal mine, 4 person pull off a train of 3
wagons each of mass 20 kg along a horizontal
track by applying a force of 1500 N. If the
track offers a friction of 300 N, calculate,
(i) net accelerating force, (ii) the acceleration
in the train, (iii) the force of wagon 1 on​

Answer 1

Answer:

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Explanation:

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