Fill in the blanks.
(a) Friction opposes the ________ between the surfaces in contact with each other.
(b) Friction depends on the _________ of surfaces.
(c) Friction produces _________.
(d) Sprinkling of powder on the carrom board ________ friction.
(e) Sliding friction is ________ than the static friction.
Friction is a force which opposes relative motion between two surfaces in contact with each other.