The interlocking of the depressions and elevations (irregularities) present on the surfaces of the bodies in contact cause friction.

True

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False

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Ambiguous

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Data Insufficient

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Solution

The correct option is A True
The interlocking of two surfaces opposes or hinders or resists the relative motion between the two surfaces. This resisting force that acts in the opposite direction of the movement is called the force of friction. Hence the depressions and elevations present on the surface of objects cause friction.

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Similar questions

Q. The interlocking between the irregularities of two surfaces in contact causes friction.

Q. The depressions and elevations present on the surface of objects causes friction.

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?

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

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

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