Question

Whenever the surfaces in contact tend to move or move with respect to each other, the force of friction comes into play.

A. O only if the objects are solid

. B. O only if one of the two objects is liquid.

C. O only if one of the two objects is gaseous.

D. O irrespective of whether the objects are solid, liquid or gaseous.​

Answer 1

Answer:

option A

Explanation:

hope it's helpful dear!

Answer 2

Answer:

hii dear friend i don't know this ans but can you tell me from where you got this questions ?