Note for ENGINEERING MECHANICS - EM By Girish Reddy Peddigari

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ENGINEERING MECHANICS BASUDEB BHATTACHARYYA, Associate Professor, Department of Aerospace Engineering and Applied Mechanics Bengal Engineering and Science University, Shibpur, Howrah © Oxford University Press 2011

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Chapter – 1 Introduction to Statics © Oxford University Press 2011

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Introduction Mechanics is the physical science concerned with the dynamical behaviour of material bodies subjected to external stimuli. It is one of the core subjects of all sorts of engineering courses. And engineering mechanics is a needoriented course in mechanics, especially tailored for engineers. © Oxford University Press 2011

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Vectors and Scalars Conventionally, a vector is represented by a bold face upper- case or a lower-case alphabet (in case of position vectors and unit vectors, respectively), as shown in Fig. 1.1. © Oxford University Press 2011