Rule 2 of the rules in force (Force) "the acceleration of the object will vary, but will object to the force variable to the object's mass fluctuations," he said.
Rule 2 Rule of Force (Force). "acceleration of an object is proportional to the force acting on the object. It is inversely proportional to the mass of the object. "
the 2 rules of strength (Force) "the acceleration of an object varies according to the force acting on each object. But varies with the mass of the object. "