Question

7. Friction is caused due to asperities and
OlA) cohesion
B) adhesion
C) transfer of energy
D) none of these​

Answer 1

Answer:

option b is correct answer

Explanation:

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Answer 2

Answer:

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Explanation:

If the surfaces of two hard solids are extremely rough, the high points or asperities can interfere with sliding and cause friction because of the abrasion or wear that can take place when you slide one object against the other.

answer is d