What are Dimensions ?
In science and engineering, numbers without units are not
useful (unless they happen to be dimensionless).
useful (unless they happen to be dimensionless).
There are two types of dimensions
Fundamental dimensions:-
Mass, Length, Time, Temperature, Moles and sometimes Force
Fundamental dimensions can be directly measured or are independently defined.
All other dimensions can be obtained from the fundamental dimensions.
Fundamental dimensions can be directly measured or are independently defined.
All other dimensions can be obtained from the fundamental dimensions.
Derived Dimensions:-
Can be calculated or derived by multiplying or dividing fundamental dimensions.
Exampls: area, velocity, density and volume
Exampls: area, velocity, density and volume
Mass:- is a fundamental dimension
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