Physics · Moment of Inertia
Which of the following is the correct expression according to the parallel axis theorem used for finding the moment of inertia of plane figures? Where, 'I1-1' is the moment of inertia of the plane figure about an axis 1-1 which does not pass through the centroid of the plane figure. 'Ix-x' is the moment of inertia of the plane figure about an axis x-x passing through the centroid which is parallel to axis 1-1. 'A' is the area of the considered plane figure. 'h' is the perpendicular distance between axis 1-1 and axis x-x.
- 1I1-1 = Ix-x + Ah2✓
- 2I1-1 = Ix-x + A2h
- 3I1-1 = Ix-x2 + A2h
- 4I1-1 = Ix-x2 + Ah2
Correct answer
I1-1 = Ix-x + Ah2
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