Question

A locomotive pulls 12 identical freight cars. The force between the locomotive and the first car is 150.0 kN, and the acceleration of the train is 2 m/s2. There is no friction to consider.

Find the force between the eleventh and twelfth cars. (Express your answer to two significant figures.)

Answer 1

150 kN to pull 12 cars

to pull one car ... 150/12 kN