Question

as the time of a train accidently the iear deck is seen falling forward a few times this is an example of the inertia of the direction. ​

Answer 1

Answer:

The inability of a body to change by itself its direction of motion is called Inertia of direction.

Example: 

Our protection through umbrella: The rain drops falling vertically downwards cannot change their direction of motion and so cannot wet us when the umbrella is up.