t·m/s

tonne meter per second

Momentumexact by definition

The tonne metre per second is exactly 1000 kilogram metres per second. It is a convenient size for vehicle and vessel momentum: a 1.5 tonne car at 30 m/s carries 45 t·m/s, and a berthing ship is worked out in the same terms.

1 t·m/s 1,000 kg·m/s