How can the friction force be reduced or increased?

You can reduce the friction force using:
1) grinding
2) lubricants
3) decrease in load force
To increase the friction force, we need:
1) increase in load force
2) use of special materials
3) increased unevenness



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.