Question

on rough surface, there is lesser number of irregularities true or false​

Answer 1

Answer:

FALSE

REASON : IN ROUGH SURFACE THE SURFACE IS NOT SMOOTH AND PLANE SO THERE ARE MORE NUMBER OF IRREGULARITIES.

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Answer 2

Answer:

True because friction increases with the increase in the roughness of a surface. Rough surfaces have more irregularities, as a result of which they offer more friction.