Dimensional formula (mechanics) ([X] = M^a L^b T^c (mechanics subset of SI))
jee-mainjee-advancedneet-ug
[X] = M^a L^b T^c (mechanics subset of SI)
What each symbol means
| Symbol | What it stands for |
|---|---|
| [X] | Dimensional formula of X |
| a,b,c | Exponents on mass, length, time |
When to use this
Angles and ratios of same kind are dimensionless. Pure numbers (½,2π) have no dimension.