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I. The frictional force is independent of the area of the surfaces in conductII....


Question

I. The frictional force is independent of the area of the surfaces in conduct

II. The frictional force depends on the nature of the surfaces in contact

III. The frictional force depends on the speed of sliding

IV. The frictional force is directly proportional to the normal reaction.Which combination of the above is true of sliding friction?

Options

A) I, III and IV

B) I, II and IV

C) I, II and III

D) II, III and IV


The correct answer is B.


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