Question

A marble is allowed to roll down an inclined plane from a fixed
height. At the foot of inclined plane, it moves on a horizontal
surface
a) covered with silk
b) covered with a layer of sand and
c) covered with a glass sheet.
On which surface marbles move the shortest distance? Give
reason for your answer

Answer 1

Answer:

The marble world move the shortest distance on the layer of sand.

Explanation:

The silk would be like the sheet of glass and the marble would keep rolling.