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Calculate the centroidal moment of intertia of a rectangle with a excentric rectangular hole.
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England schools
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England university
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Scotland schools
Taxonomy: mathcentre
Taxonomy: Kind of activity
Taxonomy: Context
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said | Ready to use | 4 years, 7 months ago |
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William Haynes 4 years, 7 months ago
Gave some feedback: Ready to use
William Haynes 4 years, 7 months ago
Gave some feedback: Needs to be tested
William Haynes 6 years, 4 months ago
Published this.William Haynes 6 years, 4 months ago
Gave some feedback: Ready to use
William Haynes 6 years, 4 months ago
Created this.There is only one version of this question that you have access to.
There is one other version that you do not have access to.
Name | Type | Generated Value |
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b1 | quantity |
quantity(10, "in")
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||||
h1 | quantity |
quantity(14, "in")
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b2 | quantity |
quantity(8, "in")
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h2 | quantity |
quantity(4, "in")
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A1 | quantity |
quantity(140, "in^2")
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||||
A2 | quantity |
quantity(32, "in^2")
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||||
ybar | quantity |
quantity(5.814814814814814814814814814814814814815, "in")
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||||
ybar1 | quantity |
quantity(7, "in")
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||||
ybar2 | quantity |
quantity(11, "in")
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||||
Ix1 | quantity |
quantity(9146.666666666666666666666666666666666667, "in^4")
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||||
Ix2 | quantity |
quantity(3914.666666666666666666666666666666666667, "in^4")
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||||
Ix | quantity |
quantity(5232, "in^4")
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||||
Area | quantity |
quantity(108, "in^2")
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||||
Ibar | quantity |
quantity(1580.296296296296296296296296296296296296, "in^4")
|
Name | Type | Generated Value |
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t | integer |
1
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A | vector |
vector(10,14)
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B | vector |
vector(1,9)
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||||
units | string |
in
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||||
debug | boolean |
false
|
Generated value: quantity
This variable doesn't seem to be used anywhere.
Gap-fill
Ask the student a question, and give any hints about how they should answer this part.
Determine the vertical location of the centroid of the cross section.
ˉy=
Determine the moment of inertia of the shape about a horizontal x′ axis (the neutral axis) passing through the centroid.
Ix′=
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