The dimensional formula of torque is

Options

A. `[ML^(2)T^(-2)]`
B. `[MLT^(-2)]`
C. `[ML^(-1)T^(-2)]`
D. `[ML^(-2)T^(-2)]`

Answer

A

Explanation

Torque `tau = r xx F`
Dimensions of `tau =` dimension of `r xx` dimension of `F`
`=[L] [MLT^(-2)] = [MLT^(2)T^(-2)]`