JEE Main & Advanced Physics NLM, Friction, Circular Motion Question Bank Static and Limiting Friction

  • question_answer
    Which of the following statements is not true                           [CMC Vellore 1989]            

    A)                         The coefficient of friction between two surfaces increases as the surface in contact are made rough            

    B)                         The force of friction acts in a direction opposite to the applied force            

    C)                         Rolling friction is greater than sliding friction            

    D)                         The coefficient of friction between wood and wood is less than 1

    Correct Answer: C

    Solution :

                                Sliding friction is greater than rolling friction.            


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