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Use of Dimensions in Physics Do you know use of dimensions of Physical Quantities. In this blog post we will discuss about it, What are dimensions of Physical Quantities? Here is 3 most important use of dimensions of Physical Quantities. 1) Converting units of one method into units of another method The product of the numerical value of a physical quantity and the corresponding unit is a constant. Example : The value of gravitational acceleration is second squared at 9.8 meters. If measuring the length in kilometers and time in minutes, then the marked value of G can be determined by writing pride. 2) Testing the dimensional equilibrium of an equation Every equation that comes in physics must have a BA balance. This means that the positions of the two sides of the equation must be exactly the same, because the two similar types of quantities may have similarities. Not in. For example, two lengths can be equal to each other, but the length can never be equal to the ma...