Friction exerted by surfaces on each other when they are at rest is called:
None of the above
If there is no relative motion between the surfaces that are in contact, the only friction that can act between them is static friction.
(a) Friction opposes the ________
between the surfaces in contact with each other.
(b) Friction depends on the _________
(c) Friction produces _________.
(d) Sprinkling of powder on the carrom board
(e) Sliding friction is ________
than the static friction.
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