Answer:C.All of the above
Step-by-step explanation:
why can object can move in a straight line?, this is because, an object with no net forces acting on it which is initially at rest will remain at rest.
why can an object move in curved paths?, this is because, the centripetal force on an object moving in a curved path is the inward force that must be exerted to produce this motion.
why can an object move back an forth?, this is because, when an object moves back and forth, it is called a vibration. Vibrations carry energy.