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Inus, the force of friction between the stone and the ice is 4 newtons. The negative sign sromopposes the motion of stone.Q.7. A 8000 kg engine pulls a train of 5 wagons, each of 2000 kg, along a horizontal track. If thehorizontal track. If the engine exera force of 40000 N and the track offers a friction force of 5000 N, then calculates(a) the net accelerating force,(b) the acceleration of the train, and(c) the force of wagon 1 on wagon 2.ina (a Calculation of the net accelerating forceof friction offered by the tracks |
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