Question about Stress and Strain
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Question about Stress and Strain

[From: ] [author: ] [Date: 12-04-04] [Hit: ]
so it will have a lower yield strength.The yield strength of rock A is lower than that of rock B.When it fails, it will fracture or fault.......
Imagine two rocks. Rock A is weaker than rock B. Which of the following statements about rocks A and B is true?

Rock A experiences brittle strain, whereas rock B experiences plastic strain.
The yield strength of rock A is lower than that of rock B.
The yield strength of rock B is lower than that of rock A.
Rock A experiences plastic strain, whereas rock B experiences brittle strain.

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Plastic strain is caused by temperature and pressure, not rock weakness.

If 1 rock is "weaker", it will fail sooner, so it will have a lower yield strength. The yield strength of rock A is lower than that of rock B. When it fails, it will fracture or fault.
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