Sir Isaac Newton
“When viewed from an inertial reference frame, the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass.”
The Sum of the Forces equals the Mass multiplied by the Acceleration.
“F=ma”
Information for this page taken from “Physics for
Scientists and Engineers.” By Raymond Serway
Picture Taken from: http://www.sciencemaster.com/jump/physical/newton_law.php
