The manual is an introduction to fluid dynamics, which is considered as a continuum mechanics based on Newton's laws and the principles of thermodynamics. The manual is written on the basis of the lecture and practical work of the author with students at the Department of Physics of Nonequilibrium Processes of the FF NGU. It is intended for students of mathematical, physical, natural science faculties of universities, engineering and physical specialties of universities that require in-depth knowledge of the laws of mechanics.