12. It is more difficult to walk on ice than on a concrete road because A.There is very little friction between the ice and feet pressing it B.Ice is soft when compared to concrete C.There is more friction between the ice and feer D.None of these
Option A Solution: Main thing is that we find more friction on roads than on ice. As, we can call the friction as grip on roads. We can hear the word by tyre companies as the road grip tyres. Here the grip of the tyre is more than that of any normal tyre.
