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.
(a) Friction opposes the __motion__ between the surfaces in contact with each other.
(b) Friction depends on the __nature__ of surfaces.
(c) Friction produces __heat__.
(d) Sprinkling of powder on the carrom board __reduces__ friction.
(e) Sliding friction is __less__ than the static friction.