In today’s highly competitive global market, industries are under increasing pressure to design and manufacture products that incorporate advanced features, superior performance, and innovative technologies. At the heart of these advancements lies engineering mechanics, a foundational discipline that governs the behavior of mechanical and structural components used in machinery, infrastructure, and manufacturing systems. Mechanical subsystems typically consist of interconnected elements subjected to various forces, moments, and interactions. Understanding these forces and their effects is essential for determining the size, shape, stability, and functionality of real-world engineering structures.

This book provides a clear, systematic, and application-oriented introduction to the fundamental principles of engineering mechanics. It covers a wide range of essential topics including vector algebra, resolution of forces, free-body diagrams, equilibrium, centroids, moments of inertia, friction, trusses, and rigid-body dynamics. The text also explores particle dynamics, dependent motion, work-energy principles, translation and rotation of rigid bodies, and the behavior of engineering systems under complex loading conditions.

Designed for engineering students, educators, and professionals, the book offers concise explanations, step-by-step problem-solving approaches, and practical insights needed for analyzing and designing mechanical and structural components. Whether used as a classroom textbook or a self-study resource, this volume builds the conceptual foundation required for advanced coursework in structural engineering, machine design, and applied mechanics.

By blending theoretical concepts with practical applications, the book equips learners with the analytical tools essential for understanding the mechanical behavior of systems used in modern engineering, construction, and manufacturing industries.

R.Pannerselvam, B.E.(Mech.), M.E.(Industrial Engg.), Ph.D., Professor (Retd.),, Department of Management Studies, School of Management, Pondicherry University,Pondicherry

N. Rajalakshmi, B.E.(Civil), M.E.(Structural Engg.), ndependent Consultant,Mahindra World City,Chengalpattu

Chapter 01.Introduction
Chapter 02.Vector Algebra
Chapter 03.Resolution of Forces
Chapter 04.Mensuration
Chapter 05.Vector Representation of Moments and Couples In 2d Rigid Bodies
Chapter 06.Vector Representation of Moments and Couples In 3d Rigid Bodies
Chapter 07.Free Body Diagrams, Types of Support and Forces
Chapter 08.Equivalent Systems
Chapter 09.Three Force System