Rotational motion refers to the movement of an object around a central point or axis. This type of motion is commonly observed in everyday objects, such as a spinning top or the wheels of a car. The key characteristics of rotational motion include angular displacement, angular velocity, and angular acceleration, which describe how far, how fast, and how quickly the rotation changes, respectively. In rotational motion, forces can cause an object to rotate, and these forces are often described in terms of torque. The moment of inertia, which depends on the mass distribution of the object, plays a crucial role in determining how easily it can be rotated. Examples of rotational motion can be seen in celestial bodies like the Earth as it rotates on its axis, leading to day and night.