Rotation 1 Question 12
15. From a solid sphere of mass and radius , a cube of maximum possible volume is cut. Moment of inertia of cube about an axis passing through its centre and perpendicular to one of its faces is
(a)
(b)
(c)
(d)
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Answer:
Correct Answer: 15. (b)
Solution:
- Maximum possible volume of cube will occur when
Now, density of sphere,
Mass of cube,
Now, moment of inertia of the cube about the said axis is