The ration of moments of inertia of circular ring and a circular disc having the same mass and radii about an axis passing through the centre and perpendicular to its plane is
a)
1:1
b)
2:1
c)
1:2
d)
4:1
The ration of moments of inertia of circular ring and a circular disc having the same mass and radii about an axis passing through the centre and perpendicular to its plane is
a)
1:1
b)
2:1
c)
1:2
d)
4:1
Question ID - 53012 | SaraNextGen Top Answer
The ration of moments of inertia of circular ring and a circular disc having the same mass and radii about an axis passing through the centre and perpendicular to its plane is
a)
1:1
b)
2:1
c)
1:2
d)
4:1
|
The ration of moments of inertia of circular ring and a circular disc having the same mass and radii about an axis passing through the centre and perpendicular to its plane is |
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a) |
1:1 |
b) |
2:1 |
c) |
1:2 |
d) |
4:1 |
1 Answer
127 votes
Answer Key / Explanation : (b) -
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(b) Moment of inertia the rotational inertia of an object. Moment of inertia of circular ring about an axis passing through it centre and perpendicular to its plane is
Similarly, for a circular disc about the same axis of rotation
Hence, |
127 votes
Answer Link
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