A circular disc of radius 
and thickness 
has moment of inertia 
about an axis passing through its centre and perpendicular to its plane. It is melted and recasted into a solid sphere. The moment of inertia of the sphere about its diameter as axis of rotation is
a)
b)
c)
d)
A circular disc of radius and thickness has moment of inertia about an axis passing through its centre and perpendicular to its plane. It is melted and recasted into a solid sphere. The moment of inertia of the sphere about its diameter as axis of rotation is
a)
b)
c)
d)
Question ID - 53344 | SaraNextGen Top Answer
A circular disc of radius and thickness has moment of inertia about an axis passing through its centre and perpendicular to its plane. It is melted and recasted into a solid sphere. The moment of inertia of the sphere about its diameter as axis of rotation is
a)
b)
c)
d)
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A circular disc of radius |
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a) |
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b) |
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c) |
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d) |
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1 Answer
127 votes
Answer Key / Explanation : (c) -
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(c) Moment of inertia of a disc
Disc is melted and recasted into a solid sphere.
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Volume of sphere=Volume of disc
Moment of inertia of sphere
127 votes
Answer Link
127