Types of frictional forces with examples

I cover four types of friction. Static, fluid, kinetic, and rolling.
Static friction in which two surfaces are not moving past each other.
Sliding or Kinetic friction where 2 surfaces slide past one another.
Rolling friction between a rolling object and surface it rolls on.
Fluid friction is friction that occurs when objects move across or through a fluid.

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[mjsvlog]

Hi sir can i use this as a referral of my friction lesson with my class?

[kaverikalassnnavar]

Thanks sir for helping the students 😊😊🙏🏻

[ahmadsiddque]

Thank you very very very much you help me alot

[tagverseofficial]

Who's here for the final exams?
👇

[asnaqechtesfaye]

what is the frictional force of walking and it that air have a frictional force

[Agent_Storm]

my teacher didn’t make me watch this so now i have to

[xanderpasupil]

lamp is not moving it stand in one position