Composition refers to the organization, arrangement, and combination of objects within the borders of a drawing space. For a great drawing, you want to bring the eyes of the viewer toward your center of interest within an aesthetically pleasing composition.
The idea that clockwise motion represents the forward motion of time so powerful that it's hard to look at such a watch or clock without having the slightly unsettling feeling that time is running backwards.
According to Newton's 1st Laws of Motion, an object in motion continues in the same path / direction unless acted on by an outside force. Even though the pendulum appears to change paths, it is actually the Earth rotating underneath the pendulum. Describe how Foucault's Pendulum gives evidence to the Earth's rotation on its axis.