CMC Medical CMC-Medical VELLORE Solved Paper-2012

  • question_answer
    If the breaking force for a wire is F, then the value of breaking force on increasing the thickness of wire 2 times will be

    A)  F                                            

    B)  2F

    C)  4F                                         

    D)  8F

    Correct Answer: C

    Solution :

                    The breaking force \[\propto \] Area of cross-section\[(\pi {{r}^{2}})\] When the thickness (radius) of wire is doubled, then the breaking force will becomes four times.


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