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Some examples from this set of practice questions
1.
Deformation
Answer: General term that refers to all changes in the shape or position of a rock body in response to stress
2.
Elastic deformation
Answer: The rock returns to nearly its original size and shape when the stressed is removed
3.
Ductile deformation
Answer: Once the strength of a rock is surpassed, the rock bends
4.
Brittle Deformation
Answer: once the strength of the rock is surpassed, it breaks.
5.
Factors that affect rock strength
Answer: Temperature, confining pressure, rock type, and time
6.
stress
Answer: The force that deforms rocks. When stress is stronger than the rock, it\'ll deform by flowing, folding, fracturing or faulting.
7.
compressional stress
Answer: squeezes a rock and shortens a rocks body
8.
tensional stress
Answer: pulls apart a rock unit and lengthens it
9.
shear stress
Answer: produces a motion similar to slippage that occurs between individuals playing cards when the top of the stack is moved to the relative bottom
10.
confining pressure
Answer: when stress is applied uniformly in all directions
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