The motion of planets around the Sun is considered as a periodic motion as it is repeated regularly in equal periods of time, The motion of spring is considered as an oscillatory periodic motion,...
There are two types of motion , which are Translational motion and Periodic motion , Translational motion is the motion that has starting point and end point , Periodic motion is the motion that repeats itself...
The periodic motion The periodic motion is a motion which is regularly repeated in equal periods of time, The oscillatory motion and the wave motion are examples of the periodic motion.