The SI unit of force is Newton.

Explanation:

Introduction to Force:
Force is a physical quantity that is used to describe the interaction between two objects or bodies. It can cause a change in the state of motion or deformation of an object. Force is a vector quantity, which means it has both magnitude and direction.

SI Unit:
The International System of Units (SI) is the modern metric system of measurement that is widely used in science, engineering, and everyday life. It provides a consistent and standardized way of measuring various physical quantities.

Newton as the SI Unit of Force:
The SI unit of force is the Newton (N), named after Sir Isaac Newton, a renowned physicist and mathematician. The Newton is defined as the amount of force required to accelerate a mass of one kilogram (1 kg) by one meter per second squared (1 m/s²). In equation form, this can be written as:

1 N = 1 kg × 1 m/s²

In simpler terms, a force of one Newton can be thought of as the force required to accelerate a one-kilogram mass by one meter per second squared.

Other Units of Force:
While the Newton is the SI unit of force, there are other units of force used in different systems of measurement. Some of these units include:

- Dyne: The dyne is a unit of force in the centimeter-gram-second (CGS) system. 1 dyne is equal to 0.00001 Newtons. Therefore, 1 N = 100,000 dynes.

- Erg: The erg is a unit of energy and work in the CGS system. It is also used as a unit of force in some cases. 1 erg is equal to 0.0000001 Newtons. Therefore, 1 N = 10,000,000 ergs.

However, it is important to note that the Newton is the standard unit of force in the SI system and is widely accepted and used in scientific calculations and measurements.