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DUMET Medical DUMET Medical Solved Paper-2009

  • question_answer
    Two iron blocks of equal mass but with double surface area slide down an inclined plane with friction coefficient \[\mu .\] If the first block with surface area A experiences a frictional force\[f\] then the second block with surface area 2 A will experience a frictional force

    A)  \[\frac{f}{2}\]                

    B)  \[f\]

    C)  \[2f\]

    D) \[4f\]

    Correct Answer: B

    Solution :

     Friction is independent of contact area. The force of limiting friction between any two bodies in contact depends on the nature of material of the surfaces in contact and their roughness or smoothness.


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