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)Motion (b) Nature (c) Heat (d) Reduces (e) less
