Unopposed forces on an object “force” it into changing its state of motion. In simpler words, if something is sitting still, and I push it with nothing pushing back, it will begin moving, picking up speed as I push. read more
Motion is movement of an object. It changes it’s position over time and can be described by means of speed, time, distance etc. There is no absolute frame of reference and everything in this universe is said to be in motion. read more