Question

what is friction how many types what are the factors effect on friction
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Answer 1

Answers :

The factors affecting friction:

Roughness/smoothness of the sliding object.

Roughness/smoothness of the surface.

Shape/design of the object.

Normal force acting upon the sliding bodies.

Dry friction is independent of the surface area of a contact.

Type of friction involved

(rolling/sliding)

Sliding surface's state of matter (solid/fluid)