Which of the following is the dimension of the coefficient of frintion ?

Options

A. `[M^(2)L^(2)T]`
B. `[M^(0)L^(0)T^(0)]`
C. `[ML^(2)T^(-2)]`
D. `[M^(2)L^(2)T^(-2)]`

Answer

B

Explanation

Coefficient of friction is unitless and dimensionless