No, kg is not a unit of force; it is a unit of mass.
According to the information provided, in the SI unit system:
- N (Newton) and kgf (kilogram-force) are units of force.
- kg (kilogram) is a unit of mass.
Therefore, there is a clear distinction: mass is measured in kilograms (kg), while force is measured in Newtons (N) or kilogram-force (kgf).
