Question

Which of the following statements about friction is true?
(A) Frictional force can accelerate a body
(B) Friction is always equal to applied force, even in the case of sliding and rolling
(C) Frictional force is proportional to the area of contact between the two surfaces
(D) Sliding friction is always greater than rolling friction​

Answer 1

Answer:

option d......

is right...

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Answer 2

Answer:

yes i also think (d(option