Differences Between Scalars and Vectors
Scalar
It is defined as:
“Scalar quantity are those physical quantity which require magnitude, express with suitable unit only is called scalar quantity.”
Characteristics Of Scalar Quantity
- Scalar quantity can be added, subtracted, multiplied, divided according to the ordinary algebraic rule.
- Two scalars are equal if they have same unit.
Representation
It can be represented by the numbers with decimals, (positive negative).
Example
Mass, Distance, Temperature, volume, speed etc.
Vector
It is defined as:
Vector quantity are those physical quantity which require magnitude, express with suitable unit as well as proper direction is called vector quantity.
Characteristics of Vector Quantity
- Vector quantity can’t be added, subtracted, multiplied, divided according to the ordinary algebraic rule.
- It can be added, subtracted, multiplied, divided according to the some special rules, like head and tail rule, Graphical method etc.
- Vector always treats as positive.
Representation
It can be represented by an arrow with headline. The length of an arrow represents its magnitude and the headline represents the direction of the vector.
Example
Weight, Displacement, Velocity, Acceleration, Torque, Momentum etc.
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