Please choose the correct answer to the question: Which statement best explains why a car that is rolling on a level surface will eventually come to a stop?

Answer1: Frictional forces oppose the motion of the car. Answer2: Forward motion slowly runs out as energy is expended. Answer3: The natural state of an object is to be at rest. Answer4: Inertia acting on an object will dissipate.

Answer format: answer1/answer2/answer3/answer4