Which of the following statements about friction is true?

Question

Which of the following statements about friction is true? (A) Friction can be reduced to zero. (B) Frictional force cannot accelerate a body. (C) Frictional force is proportional to the area of contact between the two surfaces. (D) Kinetic friction is always greater than rolling friction.

Tardigrade Admin · Accepted Answer

Correct answer is (d) Kinetic friction is always greater than rolling friction.

Q. Which of the following statements about friction is true?

Friction can be reduced to zero.

Frictional force cannot accelerate a body.

Frictional force is proportional to the area of contact between the two surfaces.

Kinetic friction is always greater than rolling friction.

Correct answer is (d) Kinetic friction is always greater than rolling friction.