Question 2 Four children were asked to arrange forces due to rolling, static and sliding frictions in a decreasing order. Their arrangements are given below. Choose the correct arrangement explaining why. 1st boy - rolling, static, sliding 2nd boy -rolling, sliding, static 3rd boy - static, sliding, rolling 4th boy -sliding, static, rolling
Question 2 Four children were asked to arrange forces due to rolling, static and sliding frictions in a decreasing order. Their arrangements are given below. Choose the correct arrangement explaining why. 1st boy - rolling, static, sliding 2nd boy - rolling, sliding, static 3rd boy - static, sliding, rolling 4th boy - sliding, static, rolling
Ball bearing is a device which usually converts: (a) rolling friction into sliding friction (b) static friction into sliding friction (c) sliding friction into rolling friction (d) rolling friction into static friction