Sameer rolls his marble on three different surfaces spread out on floor – taut cellophane sheet, carpet and newspaper. The force of friction acting on the marble in the increasing order is
Answer
The correct answer is C: Cellophane sheet, Newspaper, Carpet. Friction depends on surface roughness. Cellophane sheet is smoothest (least friction), newspaper is moderately rough, and carpet has highest friction due to its fibrous texture.
A.Newspaper, Cellophane sheet, Carpet
B.Newspaper, Carpet, Cellophane sheet
C.Cellophane sheet, Newspaper, Carpet✓ Correct
D.Cellophane sheet, Carpet, Newspaper
Explanation
Friction depends on surface roughness. Cellophane sheet is smoothest (least friction), newspaper is moderately rough, and carpet has highest friction due to its fibrous texture. So in increasing order of friction: Cellophane sheet < Newspaper < Carpet.
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