7th Class Science Related to Competitive Exam Question Bank Work and energy

  • question_answer
    According to the definition of work, when a boy sits on a place and study for the whole night, he does

    A) very little work             

    B) lot of work

    C) no work           

    D) cannot say

    Correct Answer: C

    Solution :

        Work done will be zero because there is no displacement.      


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