Question
ntA 8000 kg engine pulls a train of 5 wagons, each of 2000 kg, along a horizontaln nttrack. If the engine exerts a force of 40000 N and the track offers a friction forcen ntof 5000 N, then calculate:n nt(a) the net accelerating force;n nt(b) the acceleration of the train; andn nt(c) the force of wagon 1 on wagon 2.n