"Version: 20191201"--Title page verso."A Morgan & Claypool publication as part of IOP Concise Physics"--Title page verso.Includes bibliographical references.1. Introduction -- part I. Falling bodies and the universality of free fall -- 2. Galileo and free fall3. Newton's pendulum experiment and replications by Bessel and Potter -- 3.1. Newton's pendulum experiment -- 3.2. The experiments of Bes…