Respuesta :

Force is measured in newtons. Therefore, the SI unit of force is A, newton.

Answer:

A. Newton

Explanation:

Force is defined as the acceleration required to  move a mass of 1 kilogram at 1 meter per second per second.

Joule is a measure of power per unit of time.

Kilogram is a measure of mass.

All the units presented (newton, joule and kilogram) are the standard for the SI, but Newton is the correct unit to measure force.