190> Exercises NGJ 1.What's material properties,they can be grouped into which ones? 2.What's the difference between structural material and functional material? 3.Define engineering stress and engineering strain 4.State elastic deformation and plastic deformation,and tell the difference between them. 5.State Hooke's law SINO-ITALIAN CAMPUSSINO-ITALIAN CAMPUS Exercises 1. What’s material properties, they can be grouped into which ones? 2. What’s the difference between structural material and functional material? 3. Define engineering stress and engineering strain 4. State elastic deformation and plastic deformation, and tell the difference between them. 5. State Hooke’s law