Question

Define

sliding friction

rolling friction

Answer 1

Sliding friction = The force of friction acting between the two surfaces when one of them just slides over the another with uniform speed.

Rolling friction = The friction that exists between the surfaces when one body rolls over another.

Answer 2

Heya...

______ Sliding Friction ________

√ It's the friction force between the two objects when the one object is just sliding over the other object with uniform speed...

Ex -- Sliding roll ...
_______ Rolling Friction ________

√ It's the friction force of an object when it is just rolling side by side, it's a static friction..

Ex - Rolling of a ball...