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  3. 8th Class
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  5. Force and Pressure

8th Class Science Force and Pressure Question Bank Force, Friction and Sound

  • question_answer
    Ball bearing is used between the hub of wheel and axle to ___ the friction.

    A) Increase            

    B) f Reduce

    C) Rub                  

    D) Maximize

    E) None of these

    Correct Answer: C

    Solution :

    Not Available  


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