Written by the Fiveable Content Team โข Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated August 2025
Definition
The coefficient of static friction is a value that represents the amount of force needed to overcome the static friction between two surfaces and initiate motion.
The coefficient of kinetic friction is a value that represents the amount of force required to keep two surfaces sliding against each other at a constant velocity.
Normal Force: The normal force is the perpendicular force exerted by a surface on an object in contact with it.