Question

Dimensional representation of co-efficient of friction is

• A. $\text{M L}{}^2\text{T}{}^{-2}$
• B. $\text{M L T}{}^2$
• C. $\text{M}{}^0\text{L}{}^0\text{T}{}^0$
• D. $\text{M L T}{}^{-1}$

Answer 1

The correct option is C $\text{M}{}^0\text{L}{}^0\text{T}{}^0$

Co-efficient of friction is a dimensionless quantity