Question

A Riddle for you
In some situation, I oppose the motion
in other situation, I facilitate the motion
but, always oppose
the relative motion
put some lubricant, and
I become small there.
Make the moving surfaces rough
I may be_
static , sliding or rolling
but whenever two surfy are in motion
I am always there,
Tell me who I am




what is the answer​

Answer 1

Answer:

FRICTION is the answer ...it opposes and also facilitates motion,and can be reduced by using lubricants.It is of three types, static ,rolling or static.

Answer 2

Explanation:

FRICTION is the answer it will be always there on rough surfaces