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Which of the following statements about friction is correct?

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It does not oppose any kind of motion

It opposes relative motion

The friction force is dependent on the area of contact

Both 2 and 3

answer is B.

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Detailed Solution

The correct statement is that friction opposes relative motion.
Friction is a force that resists relative motion between two objects on contact surfaces. Friction is unaffected by the area of contact. Friction is solely determined by the nature of the surfaces in contact and the body's weight.

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