18–23% of the AP exam. Key topics: Systems and center of mass, Forces and free-body diagrams, Newton's Third Law and action-reaction pairs, Newton's First Law and translational equilibrium, Newton's Second Law: F_net = ma applied to systems, Gravitational force and universal gravitation, Kinetic and static friction, Spring forces and Hooke's Law, Circular motion and centripetal acceleration.
Study guide content for this unit is being prepared. Check back soon for complete lesson notes, formula sheets, and worked examples.
