Spinning a Top Within a Top

How will you distinguish between a hard boiled egg and a raw egg by spinning each on a table top ?

Motion of a spinning ‘top’ is an example of A. Centripetal Force B. Centrifugal Force C. Gravitational Force D. Frictional Force

Classify the following as slow and fast changes . Spinning of top

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

A ball is dropped from the top of a building. The ball takes 0.5 s to pass the 3 m length of a window some distance from the top of the building. Find the distance between the top of the building and top of the window