Answer:
A
vector can be represented either by a single letter in bold face or by a single
letter with arrow head on it. Geometrically, a vector can be represented by a
straight line with an arrow head, i.e. arrowed line. Here the length of arrowed
line drawn on a suitable scale represents the magnitude and arrow head
represents the direction of the given vector. For example, a velocity\[\text{5}0\text{
m}{{\text{s}}^{-\text{1}}}\], due east is represented by line AB of length 5
cm, with an arrow head pointing east, on the scale\[\text{1cm}=\text{1}0\text{
m}{{\text{s}}^{-\text{1}}}\].
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