Joule Units In Kg M/S. For detailed information on the si base units, see definitions of the si base units and their historical context. Why is (kg⋅m2)/s written as joule second when there is no joule present, and time is divided and not multiplied?
One joule is equal to the energy transferred to (or. The joules per second unit number 9.81 j/s converts to 1 kgf m/s, one kilogram metre per second.