In a popular and interesting form, the physical content of many natural phenomena is revealed, their application in modern technology is highlighted. It is told about the laws of rotational motion of a solid, the use of gyroscopes, the mechanics of spacecraft flights, the basics of helicopter flights and the navigation of hydrofoils, the field of attraction and methods for determining the masses of planets, the internal forces of the system, inertial and non-inertial reference frames are considered. Sometimes the author jokes and considers various physical paradoxes, illustrating them with humorous stories.