Physics · Ch 2 — Kinematics
Position Vector
2.6
Position Vector
The position vector of a particle is the vector that fixes its location at a given instant, measured with respect to a chosen frame of reference/origin. In a Cartesian system, if a particle is at the point , its position vector is
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Figure 2.25Position vector in a Cartesian coordinate system
What this figure shows. A point in 3-D space joined to the origin by an arrow labelled , the position vector, with dashed lines dropping to the , , axes to show its components. …