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12.2 Vectors Basic Definitions
 

Summary: 12.2 Vectors
Basic Definitions
Scalar quantity: A physical quantity which has only a magnitude
is called scalar
Vector quantity: A physical quantity which has a magnitude and a
direction is called vector
Scalar quantities area, length, mass and temperature
Vector quantities force and displacement
Geometric representation of vectors
By arrows (as shown in figure)
A
B
Initial point
Terminal point
length of arrow = magnitude of vector
direction of arrow = direction of vector
A
B
v
v AB=

  

Source: Ansari, Qamrul Hasan - Department of Mathematics and Statistics, King Fahd University of Petroleum and Minerals

 

Collections: Mathematics