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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Anonymous User
Dear in simple language the Plane Motion is the motion of a rigid body such that all its points move parallel to some fixed plane. ... Such motion is composed of translational motion together with an arbitrarily selected pole around which rotational motion occurs. and position vector  is defined as a vector that starts at the (user defined) origin and ends at the current position of the object vector can be positive or negative