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  5. Time and Motion

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

  • question_answer
    DIRECTIONS: On the basis of following diagram/ picture answer the questions given below: The graph shows how the speed of a trolley changes as it moves across a floor. How far does the trolley travel at constant speed?

    A) 4m                              

    B) 12m

    C) 16m                            

    D) 22m

    Correct Answer: B

    Solution :

        The trolley moves all at a constant speed from 4 to 7 seconds.             \[d=s\times t=4\times (7-4)=12m\]


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