Such as rotating flying chair, merry-go-round, fan blade rotation, motor operation, wind power generation, clock movement, ferris wheel rotation, driver turning steering wheel, turning nut by hand, wheel working, boomerang rotation and so on are all rotating phenomena.

Some objects will spontaneously rotate, for example, the earth itself rotates around its axis and revolves around the sun (elliptical orbit); Some objects are driven to rotate by external forces, such as air conditioning cooling fans.

Translation and rotation are phenomena that students often see in their daily life. Mathematically speaking, translation and rotation are two basic graphic transformations.