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9th Class Science Force and laws of motion Question Bank Force and Laws of Motion

  • question_answer
    A monkey is descending from the branch of a tree with constant acceleration. If the breaking strength is 75% of the weight of the monkey, the minimum acceleration with which monkey can slide down without breaking the branch is

    A)  g

    B) \[\frac{3g}{4}\]

    C) \[\frac{g}{4}\]  

    D) \[\frac{g}{2}\]

    Correct Answer: C

    Solution :

                \[0.75mg=m(g-a)\]


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