Which one of the following about different frictional forces is correct?
”Kinetic
”Static
”Static
”Static
Answer is Wrong!
Answer is Right!
This question was previously asked in
UPSC NDA-1 – 2024
– **Kinetic friction** (or sliding friction) is the force that opposes the relative motion between two surfaces that are already sliding over each other. It is typically less than the maximum static friction.
– **Rolling friction** is the force that opposes the rolling motion of a wheel or ball over a surface. It is generally significantly less than kinetic or static friction for comparable loads and surfaces, which is why rolling is much easier than sliding.