Developed from the author’s lectures and years of teaching experience, this book presents the principles behind the methods of solving problems on material behavior when subjected to different types of loads. It elucidates the subject in simple language, lucidly and clearly, to enable students to comprehend the principles involved. Each chapter deals with definitions, analysis of problems involved, derivations and applications. It contains more than 380 worked examples and exercises have also been added at the end of each chapter for practice. S.I units have been adopted throughout.