Which of the following statement is incorrect about friction :- \( ...

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Which of the following statement is incorrect about friction :-
\( \mathrm{P} \)
W
(1) Limiting static friction is independent of area of contact.
(2) Kinetic friction is independent of area of contact
(3) Kinetic friction is nearly independent of velocity of bodies.
(4) Kinetic friction is self adjusting
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