Question

What is friction? what is the direction in which friction acts?

Answer 1

The normal force is one component of the contact force between two objects, acting perpendicular to their interface. The frictional force is the other component; it is in a direction parallel to the plane of the interface between objects. Friction always acts to oppose any relative motion between surfaces.

Answer 2

$\huge\red { Friction }$

Friction is a force that slow things down and prevents thing from moving.

Friction always opposes the motion of an object.


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