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AFMC AFMC Solved Paper-2003

  • question_answer
    A body measures 5N in air and 2N when put in water. The buoyant force is:

    A) 7 N                                        

    B) 9 N

    C) 3 N                                        

    D) none of these

    Correct Answer: C

    Solution :

    When a rigid object is submerged in a fluid (completely or partially), there exists an upward force on the object that is equal to the weight of the fluid displaced by the object. \[\therefore \] Buoyant force = actual weight                 - weight in water                 = 5N-2N                 =3N


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