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8th Class Science Force and Pressure Question Bank Force and Pressure

  • question_answer
    A wooden block is floating in water contained in a beaker. If the beaker is placed in a free falling elevator, during the free fall, the up thrust on the block will be

    A) Equal to the weight of the block

    B) Slightly more than the weight of the block

    C) Slightly less than the weight of the block

    D) Zero.

    Correct Answer: D

    Solution :

    The wooden block is floating in water. During free fall, weight of block floating in water will be zero, hence no water will be displaced. So up thrust on the block will also be zero.


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