Mass x acceleration, in physics
I believe the answer is:
force
(Other definitions for force that I've seen before include "Powerful effect or influence" , "Physical coercion" , "Vehemence" , "Compel, oblige" , "Strength, power" .)
I believe the answer is:
force
(Other definitions for force that I've seen before include "Powerful effect or influence" , "Physical coercion" , "Vehemence" , "Compel, oblige" , "Strength, power" .)