Newton's Laws of Motion: Forces and Interactions

This lecture covers Newton's laws of motion, focusing on the concept of forces, including gravitational, Coulomb, and magnetic forces. It explains the first law of inertia, the second law linking force, mass, and acceleration, and special forces like gravitational attraction. The lecture also discusses static and kinetic friction forces, as well as contact forces such as tension and pressure. Examples like the Cavendish experiment and real-life applications of forces are presented. The session concludes with a discussion on thixotropic mucus and van der Waals forces.