Define Rolling friction
1)define friction
2)what is interlocking
3)explain lubricants
4)define rolling friction,sliding friction,static friction
in3 lines
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
What is rolling friction? What is the need of converting sliding friction into rolling 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
