Q. On a rough surface, friction is

खुरदुरी सतह पर घर्षण होता है

A
More
अधिक
B
Less
कम
C
Zero
शून्य
D
Equal to smooth surface
चिकनी सतह के बराबर

Explanation

Rough surfaces have more irregularities causing greater interlocking and resistance, so friction is more on rough surfaces compared to smooth ones.

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