What if there was no friction force?

If there was no friction force, we would not be able to walk, because the step is carried out from friction with the earth’s surface. And even the cars did not move, their wheels simply spun.

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.