1.

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

Answer»

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



Discussion

No Comment Found