2. Questions Bank
  3. 8th Class
  4. Science
  5. Friction

8th Class Science Friction Question Bank Friction Formative Objective Problems

  • question_answer
    Friction between two surfaces cannot be reduced by using

    A)  Oil                                         

    B)  Gears

    C)  Grease               

    D)  Rollers

    Correct Answer: D

    Solution :

      A gear is a wheel with teeth along its edge. Gears are used in the transformation of rotational motion. They are not used to reduce friction. The correct answer is B.


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