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A reference point must be chosen to determine the motion of an object.
A Reference Point A reference point is needed to determine if an object is in motion.
when the object is at rest
A Reference Point A reference point is needed to determine if an object is in motion.
motion
A Reference Point A reference point is needed to determine if an object is in motion.
A reference point must be chosen to determine the motion of an object.
A Reference Point A reference point is needed to determine if an object is in motion.
when the object is at rest
An object is in motion only if its distance from a reference point is changing. The average speed of the object is given by the object's rate of change of displacement from the reference point over time.
A Reference Point A reference point is needed to determine if an object is in motion.
motion
I guess you cannot. Even if the object is firmly nailed down, it is in motion because the Earth is in motion - rotating about its axis and revolving around the sun. And then the sun is whizzing through space, in its path around the galactic centre, and the Milky Way Galaxy is moving towards the Andromeda cluster, and ...The only thing that you can do is to select a point of reference , which you consider a fixed point of reference and, if the location of the object with respect to that fixed point changes, then it is in motion.
Rotation describes the motion of an object, in a circular manner, around a fixed center point.
the answer to that is motion
An object is in motion if it changes position relative to a reference point. Motion is a relative quantity and is expressed in respect to the position of another object. Example: both a car and the Earth are moving (earth is revolving around the sun) but if we express the motion of the car in respect to the Earth, we say the car is moving relative to the Earth. At the same time the earth is moving relative to the sun.
Motion it the change of an object over time relative to its reference point. that is called a reference point.