TT40-a Given a Stress Cube, Determine the Three Principal Stresses 

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My SEEING STRUCTURES video tutorials facilitate understanding of engineering mechanics (Statics, Mechanics of Materials, Structural Analysis, etc.). My objective is to share my work with the engineering education community. Please feel free to use my videos in your classroom, attributing me with: "Seeing Structures© 2020-present by Susan Reynolds is licensed under CC BY-NC-SA 4.0"