In the international system of units, the basic unit of mechanical quantity is (). The unit of force is (), which is derived from the formula () There is no need to answer the unit of force

In the international system of units, the basic unit of mechanical quantity is (). The unit of force is (), which is derived from the formula () There is no need to answer the unit of force

Length, quality and time
In the international system, m, kg and s are used to represent the three basic units of length, mass and time respectively when they are limited to the units of mechanical and electrical quantities. Other units of mechanical quantities can be represented by the combination of these three basic units. For example, the unit of speed can be represented by M / s
F=ma