Question

what is motion?????​

Answer 1

Answer:

A body is said  to be in motion if its change the position with respect to time.

Answer 2

Answer:

MOTION

• If position of an object is changing with passage of time with respect to any observer (frame of reference) .Then, body will be in motion.
• Motion is always relative to observer.
• Motion of the moving body is expressed in terms of its position coordinates changing with time.

FRAME OF REFERENCE (FOR)

• It is the position of observer observe the motion of any particle (combination of Cartesian co-ordinate system, X axis , Y axis and Z axis).