alleryStart learning →What name is given to friction between two surfaces that are sliding over each other?
AStatic friction
BRolling friction
CKinetic friction
DFluid friction
Answer & Solution
Correct answer: C. Kinetic friction
1. The name depends on whether the surfaces are actually moving relative to one another.
2. When they are sliding, the friction between them is called kinetic friction.
3. A hockey puck slowing as it slides across ice is the standard example.
4. When the objects are stationary instead, static friction acts between them.
_Source: OpenStax College Physics (CC BY 4.0), Ch 5 "Further Applications of Newton's Laws: Friction, Drag, and Elasticity", section Kinetic Friction_
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