SCALAR
AND VECTOR
Most
of the physical quantities in the universe can be scalar or vector. A vector
is a physical quantity that has both magnitude and direction, while a scalar
quantity only has magnitude.
SCALAR:
length – m area – m2
volume – m3 density – kg/m3
temperature - °C energy - J
mass - kg time - s
distance - m speed
– m/s
work – J power - watt
VECTOR:
Displacement velocity
Weight acceleration
Force momentum
Concept of Vectors in Different Dimensions
·
One dimension – if vector lie
along the same line
·
Two dimension – if along the
same plane but not on the same line
·
Three dimension – if they are
projected in space
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