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Position, Path – length and Displacement
Any object or particle change its potion with time then it is called object in motion.
To describe a position of an object, we need a reference point and a set of axes. Generally a rectangular coordinate system is use for describe position of an object, in which three mutually perpendicular axes, known as and axes are intersect at point , which is known as origin and it serves as the reference point.
The position of an object in this system is represented by coordinates
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