ROTATIONAL INERTIA OF SOLID BODIES, ROTATIONAL DYNAMICS
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Rotational Motion

269310 A brass disc is rotating about its axis. If temperature of disc is increased then its

1 radius of gyration increases, but moment of inertia remains the same
2 moment of inertia increases but radius of gyration remains the same
3 radius of gyration, moment of inertia both remain the same
4 radius of gyration, moment of inertia both increase
Rotational Motion

269311 The radius of gyration of a rotating circular ring is maximum about following axis of rotation

1 natural axis
2 axis passing through diameter of ring
3 axis passing through tangent of ring in its plane
4 axis passing through tangent of ring perpendicular to plane of ring.
Rotational Motion

269312 Moment of inertia of a thin circular plate is minimum about the following axis

1 axis perpendicular to plane of plate passing through its centre
2 axis passing through any diameter of plate
3 axis passing through any tangent of plate in its plane
4 axis passing through any tangent perpendicular to its plane
Rotational Motion

269314 Two copper circular discs are of the same thickness. The diameter of\(A\) is twice that of \(B\). The moment of inertia of \(A\) as compared to that of \(B\) is

1 twice as large
2 four times as large
3 8 times as large
4 16 times as large
Rotational Motion

269310 A brass disc is rotating about its axis. If temperature of disc is increased then its

1 radius of gyration increases, but moment of inertia remains the same
2 moment of inertia increases but radius of gyration remains the same
3 radius of gyration, moment of inertia both remain the same
4 radius of gyration, moment of inertia both increase
Rotational Motion

269311 The radius of gyration of a rotating circular ring is maximum about following axis of rotation

1 natural axis
2 axis passing through diameter of ring
3 axis passing through tangent of ring in its plane
4 axis passing through tangent of ring perpendicular to plane of ring.
Rotational Motion

269312 Moment of inertia of a thin circular plate is minimum about the following axis

1 axis perpendicular to plane of plate passing through its centre
2 axis passing through any diameter of plate
3 axis passing through any tangent of plate in its plane
4 axis passing through any tangent perpendicular to its plane
Rotational Motion

269314 Two copper circular discs are of the same thickness. The diameter of\(A\) is twice that of \(B\). The moment of inertia of \(A\) as compared to that of \(B\) is

1 twice as large
2 four times as large
3 8 times as large
4 16 times as large
Rotational Motion

269310 A brass disc is rotating about its axis. If temperature of disc is increased then its

1 radius of gyration increases, but moment of inertia remains the same
2 moment of inertia increases but radius of gyration remains the same
3 radius of gyration, moment of inertia both remain the same
4 radius of gyration, moment of inertia both increase
Rotational Motion

269311 The radius of gyration of a rotating circular ring is maximum about following axis of rotation

1 natural axis
2 axis passing through diameter of ring
3 axis passing through tangent of ring in its plane
4 axis passing through tangent of ring perpendicular to plane of ring.
Rotational Motion

269312 Moment of inertia of a thin circular plate is minimum about the following axis

1 axis perpendicular to plane of plate passing through its centre
2 axis passing through any diameter of plate
3 axis passing through any tangent of plate in its plane
4 axis passing through any tangent perpendicular to its plane
Rotational Motion

269314 Two copper circular discs are of the same thickness. The diameter of\(A\) is twice that of \(B\). The moment of inertia of \(A\) as compared to that of \(B\) is

1 twice as large
2 four times as large
3 8 times as large
4 16 times as large
Rotational Motion

269310 A brass disc is rotating about its axis. If temperature of disc is increased then its

1 radius of gyration increases, but moment of inertia remains the same
2 moment of inertia increases but radius of gyration remains the same
3 radius of gyration, moment of inertia both remain the same
4 radius of gyration, moment of inertia both increase
Rotational Motion

269311 The radius of gyration of a rotating circular ring is maximum about following axis of rotation

1 natural axis
2 axis passing through diameter of ring
3 axis passing through tangent of ring in its plane
4 axis passing through tangent of ring perpendicular to plane of ring.
Rotational Motion

269312 Moment of inertia of a thin circular plate is minimum about the following axis

1 axis perpendicular to plane of plate passing through its centre
2 axis passing through any diameter of plate
3 axis passing through any tangent of plate in its plane
4 axis passing through any tangent perpendicular to its plane
Rotational Motion

269314 Two copper circular discs are of the same thickness. The diameter of\(A\) is twice that of \(B\). The moment of inertia of \(A\) as compared to that of \(B\) is

1 twice as large
2 four times as large
3 8 times as large
4 16 times as large