An introduction to mechanics, the science of motion, using examples visible on the Charles River Esplanade. Introduction to the concept of force, and to the concepts of mass, momentum, and energy, and their conservation. Students will learn to apply these conservation laws together with dimensional analysis, scaling, and order of magnitude estimation, to a variety of physical systems in and around the Charles River Esplanade. This course fulfills a single unit in each of the following BU Hub areas: Scientific Inquiry I, Quantitative Reasoning I.