Question

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.

Answer 1

(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.