On a wooden surface, there is a black camera, a roll of film, and a small white packet placed next to each other. The camera begins to move slightly to the left. As it shifts, it brushes against the roll of film, causing the roll to tilt and fall onto its side. The small white packet remains stationary throughout the sequence. After the motion, the camera stops at the left side of the frame, the roll of film lies on its side next to it, and the white packet stays in its original position.