Home Physics Friction Kinetic Friction When a body is moving on a surface, the forc…
Physics Friction Kinetic Friction Single Correct MCQ
Published on: September 12, 2026

When a body is moving on a surface, the force of friction is called

A
Static friction
B
Dynamic friction
C
Limiting friction
D
Rolling friction

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Text Solution

Verified by Experts
The correct answer is:
B
When a body is moving on a surface, it experiences a force of friction that opposes its motion. This type of friction is referred to as dynamic friction (or kinetic friction), as it acts on objects that are in motion relative to each other.
  • Static friction is the frictional force acting on an object that is at rest and must be overcome to start moving it.
  • Limiting friction refers to the maximum static frictional force that can be applied before the object begins to move.
  • Rolling friction is the resistance faced by an object when it rolls over a surface.
Therefore, the correct answer is dynamic friction.

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