Physics · Mechanics
According to Routh's rule, if a body of mass M is symmetrical about three mutually perpendicular axes, the moment of inertia (I) of a circular lamina of radius 'r' about an axis passing through its centre of gravity is given by which formula? (Where S is the sum of the squares of the two semi-axes other than the axis of rotation, so S = r2 + 0 = r2)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1I = M × S4✓
- 2I = M × S3
- 3I = M × S5
- 4I = M × S2
Correct answer
I = M × S4
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