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7th Class Science Time and Motion Question Bank Motion and Time

  • question_answer
    A water pipe has water flowing through it. Which of the following changes would increase the speed of water flow through the pipe?

    A)                  Increase the water pressure                

    B)                  Increase the length of pipe                

    C)                  Make the pipe coiled                

    D)                  Make the pipe narrower

    Correct Answer: A

    Solution :

    The speed of water flow through the pipe can be increased by increasing the water pressure. All other mentioned changes would have no effect on the speed of water flow.                


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