Mathematics · Laws of Motion
An engine of mass 10000 kg pulls a train of 5 wagons, each of mass 2000 kg, along a horizontal track. If the engine exerts a force of 45000 N and the track offers a friction force of 5000 N, the acceleration of the train is:
- 14.5 m/s 2
- 24.0 m/s 2✓
- 32.25 m/s 2
- 42.0 m/s 2
Correct answer
4.0 m/s 2
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