The metric unit of force is the
a. kilogram.
b. gram.
c. newton.
d. nanometer.

C. newton. 

N for Force (10N)

SI units, also called as International Standard of Units, is composed of the following systematized units of physical measure which include, mole (amount of substance), candela (luminous intensity), kelvin (temperature), ampere (electric current), second (time), kilogram (mass), and meter (length). Hence, these measures spheres in multiplication or division by power of 10, increase or decrease in measure.