Exam-style question
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Explain the difference between elastic deformation and plastic deformation in materials.
Model answer
What a good answer should say
- Elastic deformation occurs when a material returns to its original shape after the removal of the applied force, while plastic deformation occurs when a material does not return to its original shape and is permanently deformed.
Explanation
Why this works
This question assesses understanding of material properties and behavior under stress. A strong answer clearly distinguishes between the two types of deformation, demonstrating comprehension of fundamental concepts in material science.
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