Once a body is sliding, the friction acting on it is called:
AKinematic friction
BKinetical friction
CKinetic friction
DKindred friction
Answer & Solution
Correct answer: C. Kinetic friction
1. It opposes relative motion between the surfaces.
2. It replaces static friction once motion starts.
3. It is kinetic friction.
_Source: syllabus Physics, Ch 4 'Laws of Motion'_
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