In simple language, Relativity will arise, when the observer in one reference frame measures the events that occur in another reference frame. So, for observer S prime, the soccer ball will travel a parabolic trajectory. Although for observer S, the soccer ball travels in a straight line.<br /><br /><br />#PrincipleOfRelativity<br />#Relativity<br />#SpecialRelativity<br />#Rebiaz
