Question

A ball is allowed to roll down an inclined wooden plane from a given height.
At the foot of the inclined plane, it moves on a horizontal surface, differently
'covered', one by one, as shown in the following figures.
h
Inclined
Inclined
plane
Inclined
plane
plane
Newspaper
Woollen
cloth
Plane glass
sheet
CASE 'A'
CASE 'B'
CASE 'C'
In which case, is the ball likely to move the longest distance? Give reason for
your answer.​

Answer 1

Case 789293838933939393