3 rough surfaces that is useful to us
Answers
Answered by
1
Answer:
Explanation:
Increase roughness of surface. For example some small knobs to be adjusted by movement of fingers have knurled surfaces to prevent friction.
Use of softer material such as a piece of cloth or a rubber sheet to avoid slipping. Foe example when cap of a bottle is stuck, we may use wrap piece of rough cloth on the cap to increase its roughness. This method works by increasing the ploughing effect,
Increase the normal pressure pressing the two surfaces together.
Similar questions