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Uniquely comprehensive and precise, this thoroughly updated sixth edition of the well-established and respected textbook is ideal for the complete study of the kinematics and dynamics of machines. With a strong emphasis on intuitive graphical methods, and accessible approaches to vector analysis, students are given all the essential background, notation, and nomenclature needed to understand the various independent technical approaches that exist in the field of mechanisms, kinematics, and dynamics, which are presented with clarity and coherence. This revised edition features updated coverage, and new worked examples alongside over 840 figures, over 620 end-of-chapter problems, and a solutions manual for instructors.
By explaining the physics behind ordinary objects, this book unravels the mysteries of how things work. Using familiar examples from everyday life and modern technology, this book explains the seemingly inexplicable phenomena we encounter all around us. As it examines everything from roller coasters to radio, musical instruments to makeup, and knuckleballs to nuclear weapons, How Everything Works provides the answers to such questions as why the sky is blue, why metal is a problem in microwave ovens, and why some clothes require dry cleaning. With fascinating and fun real-life examples that provide the answers to scores of questions, How Everything Works is nothing short of a user's manual to our everyday world.
This textbook covers classical geometrical methods and modern analytical methods in kinematic synthesis of mechanisms. The methods discussed are all implemented geometrically using Geogebra and analytically using Excel®; two readily available tools for personal computers. After a brief history on how the machine science has developed throughout history from the viewpoint of mechanism design, the chapters explain two, three, four and five position synthesis of mechanisms in detail respectively. Geometrical and analytical methods of guiding a rigid body between the given positions, path generation with prescribed timing and correlation of crank angles are covered. Analytical methods are explained using complex numbers. Using relative motion concept, the position synthesis of six-link mechanisms is also taken into account. Roberts-Chebyshev theorem is described and proved, and the use of the theorem in practice is shown. Converting a continuous rotary motion into an oscillating or reciprocating motion has been the main task starting with the windmill or water wheel. The book also explains the design of such mechanisms, and the analytical methods developed for the correlation of crank angles and function generation. Freudenstein’s equation for three, four and five precision points and least squares method for function generation using Freudenstein’s equation are explained. Developments made in Russian school on mechanism synthesis starting with Chebyshev are discussed. Finally, application of optimization in mechanism design is shown with examples. Solver tool as an add-in in Excel® is used, which provides a simple, fast and easy-to-use platform for the optimization of mechanisms.
There was a dilemma with writing this book. In order to understand the tip of the iceberg, it's necessary to understand the iceberg. Unfortunately, if you don't believe the tip of the iceberg, you're certainly not going to believe the iceberg. Jesus said, "If I tell you earthly things and you don't believe me, how can I tell you heavenly things?" It took me about ten years, but I finally made the iceberg believable and understandable to most people. The book involves government conspiracy, which is the very tip of the iceberg. The book explains the iceberg first and works its way up to conspiracy. To understand the iceberg, it was necessary to push the envelope of the conventional realm of perceived reality and go into metaphysics, galactic allies, and galactic enemies. The book explains how humanity is going to go through a transitional period and into a new paradigm of experience. Although this book often quotes from God (what we call God) and Jesus, it's unquestionably not a religious book.
Reprint of the original, first published in 1843.