Question

A person in the moving train tosses a coin over his head which Falls behind him what is the principle involved in it

Answer 1

The train is in accelerating motion, means the train is speeding up..

As we know the term law of inertia of rest, that is , any body which is in rest, and when a sudden force is applied, it tends to be in rest position, so the object inside the body falls back or behind. 

It is falls behind due to inertia of rest.

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