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  5. Force and laws of motion

9th Class Science Force and laws of motion Question Bank Self Test-5

  • question_answer
    A player stops a football weighing 0.5 kg which comes flying towards him with a velocity of 10m/s. If the impact lasts for \[\frac{1}{50}\] th sec and the  ball bounces back with a velocity of 15 m/s, then the average force involved is:

    A)  250 N

    B)  1250 N

    C)  500 N

    D)  625 N

    E)  None of these

    Correct Answer: D

    Solution :


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