Statement 1: Two smooth surfaces generally offer friction due to adhesion.

Statement 2: Two rough surfaces generally offer friction due to interlocking of irregularities.

Only statement 2 is correct

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Both statements are correct

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Only statement 1 is correct

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Both statements are incorrect

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Solution

The correct option is B Both statements are correct
Friction between the two smooth surfaces is caused by adhesion, as smooth surfaces have less irregularities.
Friction between the two rough surfaces is caused by the interlocking of irregularities present on the surfaces in contact.
Hence, both given statements are correct.

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Similar questions

Q. Statement 1: Two smooth surfaces generally offer friction due to adhesion.

Statement 2: Two rough surfaces generally offer friction due to interlocking of irregularities.

Consider the following statements:

Statement 1: Friction is caused due to interlocking of irregularities present on the surfaces in contact.
Statement 2: Frictional force increases if the two surfaces are pressed harder.

Which of these statements is/are correct?

Consider the following statements:

Statement 1: Rough surfaces generally have more friction between them.
Statement 2: When we attempt to slide one surface over another, we have to apply a force to overcome interlocking between the irregularities present on the surfaces.

Choose the correct option.

Q. Which type of friction occurs due to interlocking between microscopic irregularities on surfaces?

Q. The causes of friction are molecular adhesion, interlocking of surface irregularities and plowing effect.

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Statement 1: Two smooth surfaces generally offer friction due to adhesion. Statement 2: Two rough surfaces generally offer friction due to interlocking of irregularities.

Statement 1: Two smooth surfaces generally offer friction due to adhesion.

Statement 2: Two rough surfaces generally offer friction due to interlocking of irregularities.