About the book: 1957 / M. Ivanovsky's book "Laws of Motion" introduces readers to the basic laws of mechanics and the history of their discovery. Along with this, it tells about the life and work of the great scientists Aristotle, Galileo and Newton. The book is intended for middle-aged schoolchildren. Due to the sudden death of the author, the manuscript remained unfinished. The work to prepare it for printing was carried out by B.I. Smagin. At the same time, chapters IV, V, VI and VII have undergone significant revision. The material in these chapters has been corrected and supplemented with new sections..