4th Class Science Work, Force and Energy Question Bank Work, Force and Energy

  • question_answer 1) Which of these are at rest?
    A. A running boy B. A book kept on table C. A moving bus
    D. A sleeping dog E. Trees  

    A) A, B & E                     

    B) B, D & E      

    C) A, B & C                    

    D) E only

    Correct Answer: B

    Solution :

        Book on table, a sleeping dog and trees are at rest.

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