To determine how fast or slow a motion is,
we measure the length of the path that the body travels
we measure the duration for which the body moves
we measure the change in its position with respect to time
we measure how much the body has moved
We measure the change in its position with respect to time to determine how fast or slow a motion is.
Why can’t we use a laboratory thermometer to measure the body temperature?
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?