Entertaining Physics is one of the most famous scientific and educational books.For several decades in a row, it has been super popular with readers of all ages and generations. In interesting experiments, puzzles and problems, scientific paradoxes and fascinating stories, familiar and well-known phenomena are revealed from the point of view of physics.In the second part, you will learn about the basic laws of mechanics; what is the cheapest way to travel, whether Archimedes could raise the Earth, how to apply the knowledge of mathematics in the circus, whether it is possible to prevent disasters. Ya. I. Perelman (November 22 (December 4), 1882, Bialystok, Grodno province, Russian Empire - March 16, 1942, Leningrad, USSR) - Russian and Soviet mathematician, physicist and world historian, journalist and teacher, popularizer of exact sciences, founder of the genre of He died in 1942 during the siege of Leningrad.