Question

Friction is caused by ________ on the surfaces in contact.

a. Smoothness

b. Regularities

c. Irregularities

Answer 1

Answer:

Hint: Friction is a resistive force which resists relative motion between surfaces in contact with each other. Friction is caused due to the irregularities of the surfaces in contact. The coefficient of friction depends on both the surfaces in contact. It is not a characteristic property of any substance.

Explanation:

I answer you then plz follow

Answer 2

Answer:

Irregularities is the correct answer.

Please mark as the brainliest answer.