Exam-style question
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What is the relationship between tensile stress and tensile strain in the elastic region of a material?.
- A.They are directly proportional.
- B.They are inversely proportional.
- C.They are unrelated.
- D.They are equal.
Model answer
What a good answer should say
- They are directly proportional.
Explanation
Why this works
In the elastic region of a material, tensile stress is directly proportional to tensile strain, as described by Hooke's Law.
Common mistake
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