What is the resistive force of friction?

By Forinfos - 22/02/2025 - 0 comments

Friction is a resistive, physical-contact force that impedes motion. It occurs as a result of microscopically uneven surfaces, which are present even when the surfaces appear smooth to the human eye. If surfaces were perfectly smooth and in a vacuum, friction would not exist.

Air resistance is friction that resists the motion of flying objects. The coefficients of static and kinetic friction are values that describe the extent to which friction resists the motion of two bodies that are in contact. Within a liquid, static and kinetic friction impedes the rate of flow. Viscosity is a description of the thickness of a liquid, which affects liquid friction.


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