Explore three distinct methods for calculating the work done by the normal force in a physics problem involving a block sliding down an incline. Delve into classical mechanics concepts as you learn to approach the problem using constant forces and paths, line integrals, and modeling with springs. Follow along with the 25-minute video tutorial, part of a comprehensive classical mechanics series, to gain a deeper understanding of these calculation techniques. Access the provided Python code to further enhance your learning experience and apply the concepts in a practical setting.