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15
×
What is a strength of a material?
Its ability to withstand external forces without breaking
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15
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How do you call the physical demands that a body or object must withstand when one or more external forces are applied to it?
stresses
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20
×
Walls and dams are the examples of what kind of structures?
mass structures
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banana
Go to last place!
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rocket
Go to first place!
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fairy
Take points!
5
10
15
20
25
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lifesaver
Give 20 points!
Oops!
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heart
Other team wins 15 points!
Oops!
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shark
Other team loses 15 points!
Okay!
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rocket
Go to first place!
Okay!
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thief
Give points!
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25
15
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What is the collection of elements arranged in an optimum way to support a body or an object?
structure
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seesaw
Swap points!
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fairy
Take points!
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10
15
20
25
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gift
Win 25 points!
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banana
Go to last place!
Oops!
25
×
Name at least 2 ways to support the stability of a structure
By widening the base; locating the center of gravity at a lower point; making a good foundation; using stay cables
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5
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Give an example of tension / traction
....
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15
×
What is an influence that can deform a body or change its movement?
force
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15
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This is a type of a stress that is caused by the forces that tend to stretch a body
tension
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20
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A structure of the building is an example of what kind of structure?
frame structure
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trap
No points!
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seesaw
Swap points!
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gift
Win 25 points!
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lifesaver
Give 15 points!
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5
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Give an example of bending
.....
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20
×
Cranes and electricity pylons are the examples of what kind of structures?
truss structures
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15
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This type of stress is caused by the forces that make a body twist
torsion
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