Engineering Mechanics(Anna Univ)

Engineering Mechanics(Anna Univ)
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Engineering Mechanics(Anna Univ)

Publisher: Laxmi Publications
ISBN: 9788131800782

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Preface to the Third Edition Authors are glad to present the Third Edition of the book entitled, Engineering Mechanics to the engineering students of all disciples of Anna University, Tamilnadu. The course contents are planned in such a way that the book covers the complete course of first year students of Anna University, Tamilnadu according to the revised syllabus. The Third Edition contains the following five units Unit I Basics and Statics of Particles. Unit II Equilibrium of Rigid Bodies. Unit III Properties of Surfaces and Solids. Unit IV Dynamics of Particles. Unit V Friction and Elements of Rigid Body Dynamics. The book is written in a simple and easy-to-follow language, so that even an average student can grasp the subject by self-study. At the end of each chapter highlights, theoretical questions and many unsolved numerical problems with answers are given for the students to solve them. Mrs. Nirmal Bansal deserves special credit as she not only provided an ideal atmosphere at home for book writing but also gave inspiration and valuable suggestions. Though every care has been taken in checking the manuscript and proofreading, yet claiming perfection is very difficult. We shall be very grateful to the readers and users of this book for pointing any mistake that might have crept in. Suggestions for improvement are most welcome and would be incorporated in the next edition with a view to make the book more useful. AUTHORS
SYLLABUS Anna University, Tamilnadu GE1X04 ENGINEERING MECHANICS 3 1 0 100 Common to B.E. Civil , B. Tech Chemical Textile Textile Tech Textile Chemistry Polymer Tech Biotech Petroleum Engg Food Tech Rubber and Plastics Tech OBJECTIVE At the end of this course the student should be able to understand the vectorial and scalar representation of forces and moments, static equilibrium of particles and rigid bodies both in two dimensions and also in three dimensions. Further, he should understand the principle of work and energy. He should be able to comprehend the effect of friction on equilibrium. He should be able to understand the laws of motion, the kinematics of motion and the interrelationship. He should also be able to write the dynamic equilibrium equation. All these should be achieved both conceptually and through solved examples. UNIT I BASICS AND STATICS OF PARTICLES 12 Introduction Units and Dimensions Laws of Mechanics Lame s theorem, Parallelogram and triangular Law of forces Vectors Vectorial representation of forces and moments Vector operations additions, subtractions, dot product, cross product Coplanar Forces Resolution and Composition of forces Equilibrium of a particle Forces in space Equilibrium of a particle in space Equivalent systems of forces Principle of transmissibility Single equivalent force. UNIT II EQUILIBRIUM OF RIGID BODIES 12 Free body diagram Types of supports and their reactions requirements of stable