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a body is said to be at rest if it does not change its position with time with respect to a reference point
movement
The answer is motion
when position of the body with respect to an observer change with time then the body are said to be in motion.
The change in an objects position is called motion.
a continuous change in position is called Motion
movement
A change in position in a certain amount of time is called motion.
The change of the body over time is called maturing or adapting.
a body is said to be at rest if it does not change its position with time with respect to a reference point
motion
movement
The rate of change of position is the velocity. The velocity at a specific point in time is called the instantaneous velocity.
The answer is motion
when position of the body with respect to an observer change with time then the body are said to be in motion.
The change in an objects position is called motion.
if a body do not change its position with time as compared to a reference point then the body is said to be in rest