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CSS Solved Papers
Physics Chemistry

Engineering :: Theory of Machines


  Which is incorrect statement, if any
[A]. The force of friction is independent of the velocity of sliding[B]. The force of friction is independent of the extent of the surfaces in contact
[C]. The force of friction is directly proportional to the pressure between the surfaces in contact[D]. The laws of friction are true when the intensity of the pressure between the surfaces is small
[E]. None of the above    

Answer: Option E


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