a drawing of a compass on a piece of paper

Prompt 1: displays a whiteboard with a diagram of a circle and a line. the circle is divided into four parts by the line, and the description of the diagram is written on the board. the diagram is used to explain the concept of rotational motion. the board also has a diagram of a wheel and a line with the description of the wheel. is a demonstration of rotational motion and the concept of centripetal force.

Prompt 2: a person drawing a circle on a piece of paper and then writing the word "radius" inside the circle. the person then proceeds to draw another circle with a line connecting the two circles. then shows the person drawing a line from the center of the first circle to the center of the second circle. ends with the person writing the word "w" on the paper.