Some artworks that don't actually move but movement is implied. The artist uses a variety of devices to imply that a composition is or has been moving.
Fuzzy outlines mimic the viewer's everyday visual experience. When objects move through our field of vision quickly, we do not get a clear mental picture of them which implies movement.
The viewer recognizes temporar, unstable body positions and realizes that change is imminent. The viewer imagines that movement is taking place. This creates implied movement.