Which of the following statements is true? The mass of an object is inversely proportional to the net force acting on the object, for a given acceleration. The mass of an object is directly proportional its acceleration, for a given net force. Mass is a vector quantity. Mass is the measure of an object's resistance to a change in motion. Which of the following statements is true? The mass of an object is inversely proportional to the net force acting on the object, for a given acceleration. The mass of an object is directly proportional its acceleration, for a given net force. Mass is a vector quantity. Mass is the measure of an object's resistance to a change in motion