Question

The defination of MOTION is as follows:-

"A body is said to be in motion if it's position changes with time with respect to its surroundings."

While we are traveling in a train we see the trees move according to our surroundings or our reference frame.So,are they really in motion?If no then why?If yes then how?

Answer 1

We can say a body is in motion or not only with the reference
so according to you who is in ghe train trees are in motion but for someone who is standing near the tree it is not in motion

so we can only say a body is in motion or not with its reference point