A cambered surface that is moving forward in a fluid generateslift. To explain this interesting fact in terms of simplermodels, some preparatory concepts were discussed in thefirst part of this article. We also agreed on what is an acceptableexplanation. Then some popular models were discussed.Some quantitative theories will be discussed in this concludingpart. Finally we will tie up all these ideas together andconnect them to the rigorous momentum theorem.
Department of Automotive and Aeronautical Engineering, Faculty of Engineering and Technology, M S Ramaiah University of Applied Sciences, Peenya Industrial Area, Bengaluru 560 058, India.
