Out of sliding friction, static friction and rolling friction: (a) which one is the smallest ? (b) which one is the largest ?
A) rolling friction is smallest b)static friction is largest
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
Which of the following statements is incorrect? (a) static friction is greater than rolling friction (b) sliding friction is less than rolling friction (c) rolling friction is less than static friction (d) static friction is greater than sliding friction
Arrange the magnitudes of the following in ascending order : Rolling friction, Sliding friction, Static friction. Also explain why is that? [3 MARKS]