A merry-go-round is rotating at constant angular speed. Two children are riding the merry-go-round: Ana is riding at point A and Bobby is riding at point B. ( Figure 1)

Did you know that the concept of rotational motion dates back to ancient civilizations? The Greeks and Egyptians used simple machines like the wheel, which laid the groundwork for our understanding of circular motion. The merry-go-round is a delightful modern adaptation of this age-old idea, blending physics with fun—perfect for kids like Ana and Bobby! In the real world, the principles of angular motion can be observed in various scenarios, such as the way planets orbit the sun or the rotation of your favorite amusement park rides. Understanding these concepts not only makes playtime more enjoyable but also helps in designing safer, more thrilling attractions, ensuring that both Ana and Bobby can spin with joy without a care in the world!