Banking Physics Wave Mechanics Question Bank Mechanics

  • question_answer  A hole is drilled through the earth along the diameter and a stone is dropped into it. When the stone is at the centre of earth, it possesses

    A)  weight             

    B)  mass  

    C)  acceleration        

    D)         potential energy

    Correct Answer: B

    Solution :

     At the centre of earth, weight is zero as g = 0 at center of earth. Weight = mg = 0 and Potential energy = mgh But mass \[\ne 0\] as mass is the quantity of matter.

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