Question

what is the important role does friction plays in the life of human beings and animals

Answer 1

Importance of friction are:
1)it help us to walk
2) it help us to write
3) it help us to burn matchstick

Hope this helps you.Thank you.

Answer 2

it helps us to walk there is so many facilities with friction 1)we can walk instead of friction 2) friction holy the same force which we applied