I had to learn basic things about vectors. So thought why not write a blog post :P? Also special thanks to papa 💫 So here we go.. PHYSICAL QUANTITY:- A quantity that can be measured and expressed in units. We have two types of Physical Quantity Scalar:- A physical quantity that has only magnitude. Example: Mass, speed. Vectors:- A physical quantity that has both magnitude and direction. Example: Displacement, velocity. Now, what are vectors? VECTORS:- A physical quantity that has both magnitude and direction. In geometry, a vector is a directed line segment, whose length is the MAGNITUDE of the vector and the arrow indicating the DIRECTION. The MAGNITUDE of a vector $(\vec{A})$ is the absolute value of a vector and is indicated as $\boxed{|\vec{A}|}.$ REPRESENTATION OF VECTORS:- A vector pointing from $A$ to $B$ is written as $\vec{AB}.$ We usually define a single point $O$ as the ORIGIN. Then we associate every point $P$ with the vector $\vec{OP}$ or $\vec{P}$ MAGNITUDE OF VECTORS

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