GEOLOGY

EARTH SCIENCE

STRUCTURAL GEOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A force that acts on rock to change its shape or volume?
A
stress
B
focus
C
friction
D
fracture
Explanation: 

Detailed explanation-1: -Stress-a force that acts on rock to change its shape or volume. Volume is the amount of space an object takes up. Shearing, tension, and compression work over millions of years to change the shape and volume of rock. Shearing-the stress that pushes a mass of rock in two opposite directions.

Detailed explanation-2: -Stress is a force that acts on rock to change its shape or volume. Because stress is a force, it adds energy to the rock. The energy is stored in the rock until the rock changes shape or breaks.

Detailed explanation-3: -a force that act on rock to change its shape or volume is called stress.

Detailed explanation-4: -The deforming force per unit area is called stress. The change in the dimension (length, shape or volume) divided by the original dimension is called strain. The three kinds of stress are tensile stress, shearing stress, and volumetric stress.

Detailed explanation-5: -Stress is the force applied to a rock and may cause deformation. The three main types of stress are typical of the three types of plate boundaries: compression at convergent boundaries, tension at divergent boundaries, and shear at transform boundaries. Where rocks deform plastically, they tend to fold.

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