Physics, asked by alisha980, 10 months ago

7. The friction is due to the
(a) Roughness of the two surfaces in contact
(b) Roughness of the one surface only
(c) smoothness of surfaces
(d) None of these

Answers

Answered by singham23

7

Answer:

option b..........................

Answered by vr6012

2

Answer:

Option b is the correct answer.

Explanation:

Please mark as brainliest

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