Engineering Mechanics - Moments of Inertia - Discussion
Discussion Forum : Moments of Inertia - General Questions (Q.No. 1)
1.
Determine the radius of gyration ky of the parabolic area.
Discussion:
12 comments Page 2 of 2.
Akbar shah said:
9 years ago
Can anyone provide the simple explanation?
Abdu said:
9 years ago
The area of semi-parabola that written in the form of x=k(y^2) or vertical semi-parabola area formula is given by 2*ab/3 so the total area will be 2*(2*ab/3) so 160*80/3= 8533 unit^2
we can take a piece of area dxdy then multiply by x^2 then integrate finally apply gyration formula.
we can take a piece of area dxdy then multiply by x^2 then integrate finally apply gyration formula.
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