Physics-Friction

NEET Physics Friction Assertion Reason Question

Type: Assertion Reason-assertion-Hard-Class 11

Assertion (A): Kinetic friction is independent of the velocity of the moving object. | Reason (R): The coefficient of kinetic friction depends only on the surfaces in contact.

A

Both A and R are true and R is the correct explanation of A.

B

Both A and R are true but R is not the correct explanation of A.

C

A is true but R is false.

D

A is false but R is true.

Correct Answer

Option B

Detailed Explanation

The NCERT context states that kinetic friction is nearly independent of velocity and the coefficient depends only on surfaces, but these are separate aspects.

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