ROTATIONAL INERTIA OF SOLID BODIES, ROTATIONAL DYNAMICS
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Rotational Motion

269313 A ring of mass '\(m\) ' and radius ' \(r\) ' is melted and then moulded into a sphere. The moment of inertia of the sphere will be

1 more than that of the ring
2 less than that of the ring
3 equal to that of the ring
4 none of the above
Rotational Motion

269302 The moment of inertia of a rigid body depends on
A) mass of body
B) position of axis of rotation
C) time period of its rotation
D) angular velocity of the body

1 \(A\) and \(B\) are true
2 \(B\) and \(C\) ar true
3 \(C\) and \(D\) are true
4 \(A\) and \(D\) are true
Rotational Motion

269303 \(I_{1}, I_{2}\) are moments of inertia of two solid spheres of same mass about axes passing through their centres If first is made of wood and the second is made of steel, then

1 \(I_{1}=I_{2}\)
2 \(I_{1}
3 \(I_{1}\lt I_{2}\)
4 \(I_{1} \leq I_{2}\)
Rotational Motion

269304 A Uniform metal rod is rotated in horizontal plane about a vertical axis passing through its end at uniform rate. The tension in the rod is

1 same at all points
2 different at different points and maximum at centre of rod
3 different at different points and minimum at axis of rotation.
4 different at different points and maximum at axis of rotation
Rotational Motion

269305 A boiled egg and a raw egg of same mass and size are made to rotate about their own axis.
If \(I_{1}\) and \(I_{2}\) are moments of inertia of boiled egg and raw egg, then

1 \(I_{1}=I_{2}\)
2 \(I_{1}\lt I_{2}\)
3 \(I_{1}
4 \(I_{1}=\sqrt{2} I_{2}\)
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Rotational Motion

269313 A ring of mass '\(m\) ' and radius ' \(r\) ' is melted and then moulded into a sphere. The moment of inertia of the sphere will be

1 more than that of the ring
2 less than that of the ring
3 equal to that of the ring
4 none of the above
Rotational Motion

269302 The moment of inertia of a rigid body depends on
A) mass of body
B) position of axis of rotation
C) time period of its rotation
D) angular velocity of the body

1 \(A\) and \(B\) are true
2 \(B\) and \(C\) ar true
3 \(C\) and \(D\) are true
4 \(A\) and \(D\) are true
Rotational Motion

269303 \(I_{1}, I_{2}\) are moments of inertia of two solid spheres of same mass about axes passing through their centres If first is made of wood and the second is made of steel, then

1 \(I_{1}=I_{2}\)
2 \(I_{1}
3 \(I_{1}\lt I_{2}\)
4 \(I_{1} \leq I_{2}\)
Rotational Motion

269304 A Uniform metal rod is rotated in horizontal plane about a vertical axis passing through its end at uniform rate. The tension in the rod is

1 same at all points
2 different at different points and maximum at centre of rod
3 different at different points and minimum at axis of rotation.
4 different at different points and maximum at axis of rotation
Rotational Motion

269305 A boiled egg and a raw egg of same mass and size are made to rotate about their own axis.
If \(I_{1}\) and \(I_{2}\) are moments of inertia of boiled egg and raw egg, then

1 \(I_{1}=I_{2}\)
2 \(I_{1}\lt I_{2}\)
3 \(I_{1}
4 \(I_{1}=\sqrt{2} I_{2}\)
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Rotational Motion

269313 A ring of mass '\(m\) ' and radius ' \(r\) ' is melted and then moulded into a sphere. The moment of inertia of the sphere will be

1 more than that of the ring
2 less than that of the ring
3 equal to that of the ring
4 none of the above
Rotational Motion

269302 The moment of inertia of a rigid body depends on
A) mass of body
B) position of axis of rotation
C) time period of its rotation
D) angular velocity of the body

1 \(A\) and \(B\) are true
2 \(B\) and \(C\) ar true
3 \(C\) and \(D\) are true
4 \(A\) and \(D\) are true
Rotational Motion

269303 \(I_{1}, I_{2}\) are moments of inertia of two solid spheres of same mass about axes passing through their centres If first is made of wood and the second is made of steel, then

1 \(I_{1}=I_{2}\)
2 \(I_{1}
3 \(I_{1}\lt I_{2}\)
4 \(I_{1} \leq I_{2}\)
Rotational Motion

269304 A Uniform metal rod is rotated in horizontal plane about a vertical axis passing through its end at uniform rate. The tension in the rod is

1 same at all points
2 different at different points and maximum at centre of rod
3 different at different points and minimum at axis of rotation.
4 different at different points and maximum at axis of rotation
Rotational Motion

269305 A boiled egg and a raw egg of same mass and size are made to rotate about their own axis.
If \(I_{1}\) and \(I_{2}\) are moments of inertia of boiled egg and raw egg, then

1 \(I_{1}=I_{2}\)
2 \(I_{1}\lt I_{2}\)
3 \(I_{1}
4 \(I_{1}=\sqrt{2} I_{2}\)
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Rotational Motion

269313 A ring of mass '\(m\) ' and radius ' \(r\) ' is melted and then moulded into a sphere. The moment of inertia of the sphere will be

1 more than that of the ring
2 less than that of the ring
3 equal to that of the ring
4 none of the above
Rotational Motion

269302 The moment of inertia of a rigid body depends on
A) mass of body
B) position of axis of rotation
C) time period of its rotation
D) angular velocity of the body

1 \(A\) and \(B\) are true
2 \(B\) and \(C\) ar true
3 \(C\) and \(D\) are true
4 \(A\) and \(D\) are true
Rotational Motion

269303 \(I_{1}, I_{2}\) are moments of inertia of two solid spheres of same mass about axes passing through their centres If first is made of wood and the second is made of steel, then

1 \(I_{1}=I_{2}\)
2 \(I_{1}
3 \(I_{1}\lt I_{2}\)
4 \(I_{1} \leq I_{2}\)
Rotational Motion

269304 A Uniform metal rod is rotated in horizontal plane about a vertical axis passing through its end at uniform rate. The tension in the rod is

1 same at all points
2 different at different points and maximum at centre of rod
3 different at different points and minimum at axis of rotation.
4 different at different points and maximum at axis of rotation
Rotational Motion

269305 A boiled egg and a raw egg of same mass and size are made to rotate about their own axis.
If \(I_{1}\) and \(I_{2}\) are moments of inertia of boiled egg and raw egg, then

1 \(I_{1}=I_{2}\)
2 \(I_{1}\lt I_{2}\)
3 \(I_{1}
4 \(I_{1}=\sqrt{2} I_{2}\)
NEET DIGITAL LIBRARY
Rotational Motion

269313 A ring of mass '\(m\) ' and radius ' \(r\) ' is melted and then moulded into a sphere. The moment of inertia of the sphere will be

1 more than that of the ring
2 less than that of the ring
3 equal to that of the ring
4 none of the above
Rotational Motion

269302 The moment of inertia of a rigid body depends on
A) mass of body
B) position of axis of rotation
C) time period of its rotation
D) angular velocity of the body

1 \(A\) and \(B\) are true
2 \(B\) and \(C\) ar true
3 \(C\) and \(D\) are true
4 \(A\) and \(D\) are true
Rotational Motion

269303 \(I_{1}, I_{2}\) are moments of inertia of two solid spheres of same mass about axes passing through their centres If first is made of wood and the second is made of steel, then

1 \(I_{1}=I_{2}\)
2 \(I_{1}
3 \(I_{1}\lt I_{2}\)
4 \(I_{1} \leq I_{2}\)
Rotational Motion

269304 A Uniform metal rod is rotated in horizontal plane about a vertical axis passing through its end at uniform rate. The tension in the rod is

1 same at all points
2 different at different points and maximum at centre of rod
3 different at different points and minimum at axis of rotation.
4 different at different points and maximum at axis of rotation
Rotational Motion

269305 A boiled egg and a raw egg of same mass and size are made to rotate about their own axis.
If \(I_{1}\) and \(I_{2}\) are moments of inertia of boiled egg and raw egg, then

1 \(I_{1}=I_{2}\)
2 \(I_{1}\lt I_{2}\)
3 \(I_{1}
4 \(I_{1}=\sqrt{2} I_{2}\)