Question

difference between rough and smooth materials

Answer 1

rough material has some distructions at the middle of material,here any move on this material it takes more time to reach the destination but smooth material are very plane,on this material it takes less time 2 reach

Answer 2

The difference between rough and smooth materials are  

Rough materials:

• The materials are irregular in the rough materials.
• Uneven and friction with not smooth is the texture of the rough material.
• At the middle of the material there is some distractions and it takes more time to reach the fixed destination because of the roughness.
• The examples for rough materials are bumpy rock and sand paper.

Smooth material:

• This materials are smooth and polish.
• It is even and not rough which lacks friction is the texture of the smooth materials.
• The time taken to reach the destination is very less comparing to the rough materials.
• The examples for smooth materials are smooth fabric and silk.