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11th Class Physics Mechanical Properties of Fluids / तरलों के यांत्रिक गुण Question Bank Mechanical Properties of Fluids Conceptual Problems

  • question_answer
    Railway tracks are laid on large sized wooden sleepers. Why?

    Answer:

                    This spreads force due to the weight of the train on a larger area and hence reduces the pressure considerably. This, in turn, prevents yielding of the ground under the weight of the train.


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