What is mass?

1 Answer
Sep 15, 2015

Mass it the amount of matter in an object. while density is a measure of the tightness of the molecules packed in an object.
mass is given by the relation: #m=F/a#
density is given by: #rho=m/V# where #rho# is the greek letter rho and is used to denote density.
Mass has the Si units #Kg# while density is measured in #Kgm^3#