A train with a mass of 120Mg accelerates uniformly on a horizontal track.the resistance to movement is 5N per KN of the mass of the train. The force in the draw-bar of the locomotive is 80KN.calculate: 1.the force required for the constant speed.

Question

A train with a mass of 120Mg accelerates uniformly on a horizontal track.the resistance to movement is 5N per KN of the mass of the train. The force in the draw-bar of the locomotive is 80KN.calculate: 1.the force required for the constant speed.
2.the force that causes the acceleration.
3.the acceleration

tuis · Accepted Answer

F=ma F= 120×1000 × 1 =120000N =120KN

Babalwa · Answer

Calculate the force that causes the acceleration

lencel · Answer

1.3.1

lencel · Answer

1.The force required for the constant speed 2.The force that causes the acceleration 3.The acceleration