Chapter 4, Problem 37Q

(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.)

Smoking was a common habit in the United States in times past, and nonsmokers riding in cars where another passenger had lit up quickly learned to open their window a crack while the car was moving to exhaust the smoke from the compartment. Why does this action help to draw the smoke out of the car? Explain using principles of fluid physics.