Punjab Medical Punjab - MET Solved Paper-2006

  • question_answer
    A large ship can float but a steel needle sinks because of:

    A)  viscosity             

    B)  surface tension

    C)  density                               

    D)  none of these

    Correct Answer: D

    Solution :

    A large ship can float but a steel needle sinks, this concept is explained by Archimedes Principle which states that when a body is fully or part all submerged in a fluid, a buoyant force from the surrounding fluid acts on the body. The force is directed upward and has a magnitude equal to the weight of the fluid that has been displaced by the body.


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