The S.I. unit of force is Newton (N). It is equivalent to

Question

$\begin {array} {1 1} (A)\;kg\: ms^{-1} & \quad (B)\;kg\: m^2s^{-2} \\ (C)\;kg\: ms^{-2} & \quad (D)\;kg\: m^{-1}s^{-2} \end {array}$