Multiple choice general knowledge science & technology

The SI unit of momentum is

  1. N/s

  2. kg m/s2

  3. Pa s

  4. N s

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Momentum equals mass times velocity (p = mv), so SI units are kg × m/s = kg m/s. A Newton-second (N s) is equivalent: 1 N = 1 kg m/s², so 1 N s = 1 kg m/s. Option A (N/s) is incorrect, B (kg m/s²) is acceleration units, and C (Pa s) is viscosity units.