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Forces In Earth's Crust Flashcards | StudBud
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Forces In Earth's Crust
Forces In Earth's Crust
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Answers
1
what is the process of shearing?
Stress pulls a mass of rock in two opposite directions
Stress pushes a mass of rock in the same direction
Stress pulls a mass of rock in the same direction
Stress pushes a mass of rock in two opposite directions
2
what are free body diagrams used to show?
Show the relative magnitude and drop of all forces acting on an object.
Shows the magnitude and direction of all forces acting on an object.
Show the relative mass and direction of all forces acting on an object
Show the relative magnitude and direction of all forces acting on an object
3
what is a fault?
a break in a rock in which surfaces of rock crash into each other
a eroded part in a rock in which surfaces of rock slip past each other
a break in a metal in which surfaces of rock slip past each other
a break in a rock in which surfaces of rock slip past each other.
4
long time the forces of plate movement can change a flat area into a town or a ocean trench
True
False
5
What are the 3 main faults?
strike-slip
reverse
slip-strike
normal
6
Shearing is displaced in what way?
Horizontaly
Laterally
any direction
virtically
7
Stress is a force that acts on an object to change is shape and velocity
False
True
8
energy in a rock will stay in the rock until it disolves or melts
False
True
9
What direction do anticlines and syniclines go?
anticline is to the left and synicline is to the right
anticline is to the right and synicline is to the left
anticline is upward and synicline is downward
anticline is downward and synicline is upward
10
what are the deepest landforms on earth?
canyons
valleys
ocean trenches
ridges
11
what happens to rock in the crust when it is stretched apart?
it becomes thinner in the middle
it becomes short and thick
it becomes longer
it becomes thicker in the middle
12
Compression Can Control Audio
False
True
13
What are some of the largest mountain ranges?
himalayas
Mt. kilimajaro
smokeys
alps
14
The movement of earth's plates can move what?
very hard and stiff things like rocks
very hard and smooth things like glass
very soft and stiff things like rugs
very hard and stiff things like metal
15
what happens to the force when stress increases?
it decreases
it increases and decreases
it increases
it stays the same
16
Change in the earth's crust happens over a long time
False
True
17
The process of folding has produced some of the world’s largest mountain ranges
True
False
18
Force is often expressed by what?
force per unit area squared
tension per unit area
force per square unit
force per unit area
19
Tension is a pushing force?
False
True
20
What 2 things do you need to solve tension?
free body diagram newton's first law
loose body diagram newton's second law
free body diagram newton's second law
free body diagram newton's third law
