What must be true in Newton's second law if the object in question moves at a constant velocity? Similarly, what
must be true in Newton's second law if the object accelerates? What are the customary rules for drawing a free body diagram? What is the value of drawing an a free body diagram? If 2 objects are in constant with each other. what does Newton's third law dictate should be evident when free body diagrams are drawn of the 2 objects?