20–25% of the AP exam. Key topics: Systems and center of mass, Forces and free-body diagrams, Newton's First, Second, and Third Laws, Gravitational force; kinetic and static friction, Spring forces (Hooke's Law), Resistive forces: drag proportional to v and to v², Setting up and solving differential equations for resistive-force motion (separation of variables), Circular motion: centripetal acceleration and net centripetal force.
Study guide content for this unit is being prepared. Check back soon for complete lesson notes, formula sheets, and worked examples.
