Question: What is the force that opposes the relative motion of two bodies that are in contact?
Answer: Frictional Force; Coefficient of sliding friction; Limiting friction; Static friction; Angle of friction; Frictionless; Internal friction; Coefficient of static friction; Kinetic Friction; Frictional force; Friction physics; Sliding Friction; Static Friction; Friction angle; Starting friction; Kinetic friction; Coefficient of kinetic friction; Sliding friction; Starting Friction; Frictional coefficient; Coulomb's law of friction; Friction coefficient; Dry friction; Coefficient of friction; Dynamic friction; Friction; Contact friction; Force of friction; Friction coefficients; Coulomb friction