A uniform circle refers to the motion of an object moving in a circular path at a constant speed. In a uniform circle, the object covers equal distances in equal intervals of time.
It is the velocity component that is parallel to the circumference of a circle at any given point. It represents how fast an object is moving along its circular path.
Periodic Motion: It refers to any motion that repeats itself over regular intervals of time, such as objects moving in circles or oscillating back and forth.