Areas of Physics
Interdisciplanary areas of physics
Quantities in Physics
Convention for indicating units
S.I. Units (International System of Units)
Rules of Significant figures
Further discussion on Significant figures
Scalars and Vectors
Addition and subtraction of co-planar vectors
Rectangular components of a vector
In order to check the correctness of an equation, we are to show that the dimensions of the quantities on both sides of the equation are the same, irrespective of the form of the formula. This is called the principle of homogeneity of equations.
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