Common values
- 1 kg·m/s = 1 N·s = 7.233 lb·ft/s
- 1 lb·ft/s ≈ 0.1383 kg·m/s
- A 70 kg runner at 5 m/s carries 350 kg·m/s of momentum
FAQ
Why is N·s the same as kg·m/s?
Because impulse equals change in momentum: F · t = Δ(m·v). Newton-seconds and kilogram-metres-per-second are dimensionally identical.