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3rd Class Science Lights, Sound and Force Question Bank Light Sound and Force

  • question_answer
              
    The above figures show the force required to move a 100 g object over different surfaces. The friction is greatest at ____.  

    A) Surface W      

    B) Surface X                   

    C) Surface Y       

    D) Surface Z       

    Correct Answer: A

    Solution :

    Friction is a force or resistance offered by a surface to the movement of object in contact. As it is shown, that on surface W, the force required to move an object is maximum, this shows that the opposing force of friction is provided maximum by surface W.


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