Where is this symbol ≡ ( the triple sign ) used in physics. How do we use it in different sections in physics. Please give full explanation for ( ≡ )
Give 3 or 4 different examples how to use it.
In the book it is used many times in different ways and different laws:
such as:
N ≡ kg.m.s-2
also,
x1 ≡ x(t1)
But it is understandable.
Yes, as you yourself figured out, it can be used to show that something 'is defined as' something or 'is equivalent to' it.
1) Therefore, you can use it to explain one units in terms of other units:
N ≡ kg.m.s-2
2) You can use it to show what units of measurement are used for physical quantities:
3) You can use it to write down the equivalence of physical quantities to some laws:
4) You can use it to just simplify or shorten what you write in your notes:
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