Question

what is the reason for we are able to walk on the ground without slipping

Answer 1

because the fritional force acts on us .and we can't do any work without friction

Answer 2

The Answer is Frictional force.... Frictional force is acting on us , and becz of this force we all are able to walk , and can do many others activities... ex :- due to Frictional force we can write through pen , can walk - run & so more..... Frictional force is very essential for all of us...