The area moment of inertia of shaded area about horizontal centroidal x axis in mm4
is
20 mm
40 mm 40 mm + 40 mm
k
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Answer:
The area moment of inertia of shaded area about horizontal centroidal x axis is 106.66mm
Explanation:
The moment of inertia of a rectangular section about an horizontal axis through C.G is
bd3/12.
Here breadth b=20mm
depth D=40 mm
The moment of inertia of a rectangular section about an horizontal axis through C.G is
106.66mm
The area moment of inertia of shaded area about horizontal centroidal x axis is 106.66mm
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Explanation:
A rectangle with dimensions of b and d has the following moment of inertia (MOI) about each of its centroidal axes:
and , wherewidth and depth of the section
Given data,
Now, we are aware that MOI around the -axis, which is a centroidal axis parallel to the breadth, is provided by
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