Q. Friction is caused by the ________ on the two surfaces in contact.

(A) Irregularities
(B) Smoothness
(C) Densities
(D) Gaps

✅ Correct Answer: (A) Irregularities

Published by Mahesh Chandra ⭐ 7.32K Points at 17-Sep-2021 04:20 pm in Physics

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