The following is not a law of static friction:

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The following is not a law of static friction:

Options:

A . The magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces

B . The force of friction always acts in a direction opposite to that in which the body tends to move

C . The force of friction is dependent upon the area of contact

D . The force of friction depends upon the roughness of the surface

Answer: Option B

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