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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
    Why it is dangerous to stand near the edge of the platform when a fast train is crossing it?

    Answer:

                    When a fast train crosses the platform, the air dragged along with the train also moves with a high velocity. In accordance with Bernouilli's equation, the pressure in the region of high velocity gets decreased. If a person stands near the edge of the platform he may be pushed towards the train due to high pressures outside.


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