Question

what is friction class5​

Answer 1

Answer:

Friction is a type of contact force

Answer 2

$\fbox \orange {A} \fbox \pink {N} \fbox \blue {S} \fbox \red {W} \fbox \purple {E} \fbox\gray {R}$

Friction is the resistance to motion of one object moving relative to another. 

ex:The air stops you from walking properly as there is a strong resistance by the air towards your movement. 

hope it helps