Q. In a spinning top, axis moves around the vertical through its point of contact with the ground sweeping out a cone. This movement of the axis of the top around the vertical is known as

 2503  165 System of Particles and Rotational Motion Report Error

Solution:

The axis of a spinning top moves around the vertical through its point of contact with the ground sweeping out a cone as shown in the figure.
image This movement of the axis of the top around the vertical is known as precession.