Banking Physics Wave Mechanics Question Bank Mechanics

  • question_answer Frictional force           

    A)  always acts opposite to the direction of motion

    B)  always acts in the direction of motion

    C)  may act in the direction of motion  

    D)  always acts perpendicular to the direction of motion

    Correct Answer: C

    Solution :

     Friction provides centripetal force to the coin, hence acts towards the centre of the disc.


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