Question
Arrange the following in increasing order of surface roughness:
- Sandpaper
- Polished steel
- Cardboard
Answer: Option B
:
B
Polished steel surface is the smoothest amongthe given surfaces because it has the least irregular surface followed by cardboard and sandpaper respectively. If we try to slide a block with same speed on all these surfaces, the block will move farthest on the polished steel surface because it offers the least friction.
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:
B
Polished steel surface is the smoothest amongthe given surfaces because it has the least irregular surface followed by cardboard and sandpaper respectively. If we try to slide a block with same speed on all these surfaces, the block will move farthest on the polished steel surface because it offers the least friction.
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