Question

if an electric train is traveling south, what direction is the smoke traveling ​

Answer 1

if an electric train is travelling south then there will be no direction of smoke as an electric train runs on electric not on steam

Answer 2

Answer:

If an electric train is travelling south, then the smoke travels in opposite direction which is south.

From Newton's law of motion:

For every reaction there is an equal and opposite reaction.

So, hence the smoke travels north.

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