Engineering Statics and its application is met in almost every branch of industry, so that practitioners in other fields find that they have to become aware of its principles, uses and limitations. This book aims to introduce students and professionals in other disciplines to the fundamentals of the subject, without involving the reader too deeply in theory. The subject matter is laid out in logical order and covers the main uses and types of mechanics. This issue has also included the Centre of Gravity and moment of inertia and applications.. The book gives worked examples of many practical applications and shows options that are available for the solution of problems in mechanical systems. It is not possible for these pages to contain enough information to design a complete Mechanical system. The design principles are outlined.