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Question

A leaning top, during its spin will have

A
One angular velocity about the axis of rotation
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B
Two angular velocities about the axis of rotation
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C
Two angular velocities along two different directions
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D
More than two angular velocities depending on the point of contact on the ground
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Solution

The correct option is C Two angular velocities along two different directions
When the top is spinning, it has got an angular momentum directed along the axis of the top. And the top resists a change in its angular momentum. For the top to fall off the direction of this angular momentum needs to change and this will require an external torque.

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