ANGULAR MOMENTUM \& CONSERVATION OF ANGULAR MOMENTUM
Rotational Motion

269336 A solid sphere is rotating in free space. If the radius of the sphere is increased keeping mass same which one of the following will not be affected?

1 Moment of inertia
2 Angular momentum
3 Angular velocity 4
4 Rotational kinetic energy
Rotational Motion

269337 A circular wheel is rotating in horizontal plane without friction about its axis. If a bodyis gently attached to the rim of the wheel then following is false.

1 Moment of inertia increases but angular momentum remains same
2 Angular velocity decreases but angular momentum remains same
3 Rotational kinetic energy decreases but angular momentum remains same
4 Angular momentum increases but angular velocity remains same
Rotational Motion

269338 A uniform metal rod of length '\(L\) ' and mass \(' M\) ' is rotating about an axis passing through one of the ends perpendicular to the rod with angular speed ' \(\omega\) '. If the temperature increases by " \(t{ }^{\circ} \mathrm{C}\) " then the change in its angular velocity is proportional to which of the following ? (Coefficient of linear expansion of \(\operatorname{rod}=\alpha\) )

1 \(\sqrt{\omega}\)
2 \(\omega\)
3 \(\omega^{2}\)
4 \(1 / \omega\)
Rotational Motion

269339 A gymnast standing on a rotating stool with his arms out stretched, suddenly lowers his arms

1 his angular velocity decreases
2 his angular velocity increases
3 his moment of inertia remains same
4 his moment of inertia increases
Rotational Motion

269340 Angular momentum of the particle rotating with a central force is constant due to [AIEEE-2007]

1 constant force
2 constant linear momentum
3 zero torque
4 constant torque
Rotational Motion

269336 A solid sphere is rotating in free space. If the radius of the sphere is increased keeping mass same which one of the following will not be affected?

1 Moment of inertia
2 Angular momentum
3 Angular velocity 4
4 Rotational kinetic energy
Rotational Motion

269337 A circular wheel is rotating in horizontal plane without friction about its axis. If a bodyis gently attached to the rim of the wheel then following is false.

1 Moment of inertia increases but angular momentum remains same
2 Angular velocity decreases but angular momentum remains same
3 Rotational kinetic energy decreases but angular momentum remains same
4 Angular momentum increases but angular velocity remains same
Rotational Motion

269338 A uniform metal rod of length '\(L\) ' and mass \(' M\) ' is rotating about an axis passing through one of the ends perpendicular to the rod with angular speed ' \(\omega\) '. If the temperature increases by " \(t{ }^{\circ} \mathrm{C}\) " then the change in its angular velocity is proportional to which of the following ? (Coefficient of linear expansion of \(\operatorname{rod}=\alpha\) )

1 \(\sqrt{\omega}\)
2 \(\omega\)
3 \(\omega^{2}\)
4 \(1 / \omega\)
Rotational Motion

269339 A gymnast standing on a rotating stool with his arms out stretched, suddenly lowers his arms

1 his angular velocity decreases
2 his angular velocity increases
3 his moment of inertia remains same
4 his moment of inertia increases
Rotational Motion

269340 Angular momentum of the particle rotating with a central force is constant due to [AIEEE-2007]

1 constant force
2 constant linear momentum
3 zero torque
4 constant torque
Rotational Motion

269336 A solid sphere is rotating in free space. If the radius of the sphere is increased keeping mass same which one of the following will not be affected?

1 Moment of inertia
2 Angular momentum
3 Angular velocity 4
4 Rotational kinetic energy
Rotational Motion

269337 A circular wheel is rotating in horizontal plane without friction about its axis. If a bodyis gently attached to the rim of the wheel then following is false.

1 Moment of inertia increases but angular momentum remains same
2 Angular velocity decreases but angular momentum remains same
3 Rotational kinetic energy decreases but angular momentum remains same
4 Angular momentum increases but angular velocity remains same
Rotational Motion

269338 A uniform metal rod of length '\(L\) ' and mass \(' M\) ' is rotating about an axis passing through one of the ends perpendicular to the rod with angular speed ' \(\omega\) '. If the temperature increases by " \(t{ }^{\circ} \mathrm{C}\) " then the change in its angular velocity is proportional to which of the following ? (Coefficient of linear expansion of \(\operatorname{rod}=\alpha\) )

1 \(\sqrt{\omega}\)
2 \(\omega\)
3 \(\omega^{2}\)
4 \(1 / \omega\)
Rotational Motion

269339 A gymnast standing on a rotating stool with his arms out stretched, suddenly lowers his arms

1 his angular velocity decreases
2 his angular velocity increases
3 his moment of inertia remains same
4 his moment of inertia increases
Rotational Motion

269340 Angular momentum of the particle rotating with a central force is constant due to [AIEEE-2007]

1 constant force
2 constant linear momentum
3 zero torque
4 constant torque
Rotational Motion

269336 A solid sphere is rotating in free space. If the radius of the sphere is increased keeping mass same which one of the following will not be affected?

1 Moment of inertia
2 Angular momentum
3 Angular velocity 4
4 Rotational kinetic energy
Rotational Motion

269337 A circular wheel is rotating in horizontal plane without friction about its axis. If a bodyis gently attached to the rim of the wheel then following is false.

1 Moment of inertia increases but angular momentum remains same
2 Angular velocity decreases but angular momentum remains same
3 Rotational kinetic energy decreases but angular momentum remains same
4 Angular momentum increases but angular velocity remains same
Rotational Motion

269338 A uniform metal rod of length '\(L\) ' and mass \(' M\) ' is rotating about an axis passing through one of the ends perpendicular to the rod with angular speed ' \(\omega\) '. If the temperature increases by " \(t{ }^{\circ} \mathrm{C}\) " then the change in its angular velocity is proportional to which of the following ? (Coefficient of linear expansion of \(\operatorname{rod}=\alpha\) )

1 \(\sqrt{\omega}\)
2 \(\omega\)
3 \(\omega^{2}\)
4 \(1 / \omega\)
Rotational Motion

269339 A gymnast standing on a rotating stool with his arms out stretched, suddenly lowers his arms

1 his angular velocity decreases
2 his angular velocity increases
3 his moment of inertia remains same
4 his moment of inertia increases
Rotational Motion

269340 Angular momentum of the particle rotating with a central force is constant due to [AIEEE-2007]

1 constant force
2 constant linear momentum
3 zero torque
4 constant torque
Rotational Motion

269336 A solid sphere is rotating in free space. If the radius of the sphere is increased keeping mass same which one of the following will not be affected?

1 Moment of inertia
2 Angular momentum
3 Angular velocity 4
4 Rotational kinetic energy
Rotational Motion

269337 A circular wheel is rotating in horizontal plane without friction about its axis. If a bodyis gently attached to the rim of the wheel then following is false.

1 Moment of inertia increases but angular momentum remains same
2 Angular velocity decreases but angular momentum remains same
3 Rotational kinetic energy decreases but angular momentum remains same
4 Angular momentum increases but angular velocity remains same
Rotational Motion

269338 A uniform metal rod of length '\(L\) ' and mass \(' M\) ' is rotating about an axis passing through one of the ends perpendicular to the rod with angular speed ' \(\omega\) '. If the temperature increases by " \(t{ }^{\circ} \mathrm{C}\) " then the change in its angular velocity is proportional to which of the following ? (Coefficient of linear expansion of \(\operatorname{rod}=\alpha\) )

1 \(\sqrt{\omega}\)
2 \(\omega\)
3 \(\omega^{2}\)
4 \(1 / \omega\)
Rotational Motion

269339 A gymnast standing on a rotating stool with his arms out stretched, suddenly lowers his arms

1 his angular velocity decreases
2 his angular velocity increases
3 his moment of inertia remains same
4 his moment of inertia increases
Rotational Motion

269340 Angular momentum of the particle rotating with a central force is constant due to [AIEEE-2007]

1 constant force
2 constant linear momentum
3 zero torque
4 constant torque