Question

what is the si unit for force? define it '

Answer 1

The SI unit of force is Newton.
Newton: 1 Newton is that force which is required to accelerate an object of 1 kilogram of mass at the rate of 1 meter per second..
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Answer 2

Force is one of the most important elements which we vastly use in the field of physics.

To measure the force we also use different types of unit,but the SI unit of the force is the most used unit for measuring the force.

The SI unit of the force is "Newton".

Definition of the Newton unit:

One Newton of force means the required force to accelerate an object with mass of one kilogram at a rate of one metre per second² rate.