NCERT Exemplar Solutions Class 8 Science Solutions for Friction - Exercise in Chapter 12 - Friction

Question 19 Friction - Exercise

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


marble move the shortest distance on the floor covered with sand as it offers maximum friction against its motion

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