For undergraduate courses in mechanics of materials. A proven approach to conceptual understanding and problem-solving skills Mechanics of Materials excels in providing a clear and thorough presentation of the theory and application of its principles. The text empowers students to succeed by drawing upon the decades of classroom experience Professor Hibbeler has and his knowledge of how students learn. The text is shaped by the comments and suggestions of hundreds of reviewers in the teaching profession, as well as many of his students. The 11th Edition in SI units features approximately 30% new problems which involve applications to many different fields of engineering.