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Rocks and Stress Deformation

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Questions and Answers

What happens when rocks are stressed?

Rocks undergo deformation, changing in size or shape. (correct)

Rocks become indestructible when stressed.

Rocks remain unchanged when subjected to stress.

Rocks experience emotional stress like humans.

Which type of stress is similar to pulling on a string from both ends after it is fully extended?

Torsional stress

Tensional stress (correct)

Shear stress

Compressional stress

In which stage of rock deformation is the change reversible?

Plastic deformation

Permanent deformation

Elastic deformation (correct)

Brittle deformation

What happens during compressional stress?

Rocks are pressed together. Signup and view all the answers

How does shear stress affect rocks?

Rocks slip in a horizontal direction. Signup and view all the answers

What happens to rocks when they experience ductile deformation?

They can be changed into a new shape and stay that way. Signup and view all the answers

Which of the following materials is ductile like rocks that flow in response to stress?

Clay Signup and view all the answers

How do brittle rocks respond to stress compared to ductile rocks?

Brittle rocks fracture or break under stress. Signup and view all the answers

Why do materials become more brittle at lower temperatures?

Because they lose flexibility and are more prone to breaking. Signup and view all the answers

How does the presence of water affect the brittleness of a rock?

Less water makes the rock more brittle. Signup and view all the answers

Rocks and Stress Deformation

Choose a study mode

Podcast

Questions and Answers

What happens when rocks are stressed?

Which type of stress is similar to pulling on a string from both ends after it is fully extended?

In which stage of rock deformation is the change reversible?

What happens during compressional stress?

How does shear stress affect rocks?

What happens to rocks when they experience ductile deformation?

Which of the following materials is ductile like rocks that flow in response to stress?

How do brittle rocks respond to stress compared to ductile rocks?

Why do materials become more brittle at lower temperatures?

How does the presence of water affect the brittleness of a rock?

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