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Explain about the Position vector

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Position vector 

  • The location of a point, in space, is an important physical quantity which is also known as position vectors.

  • Representation of position vector

\vec{r}= x\hat{i}+y\hat{j}+z\hat{k}

here the Magnitude of  r= \sqrt{x^{2}+y^{2}+z^{2}}

  • Its magnitude is the distance between the initial point (tail) and the final point (head). 

(Generally, we take initial point as origin)

  • Its direction is from the initial point and the final point. 

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