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  3. 8th Class
  4. Science
  5. Friction

8th Class Science Friction Question Bank Friction HOTS Objective Problems

  • question_answer
    Friction has advantages as well as disadvantages. Dilip prepares a list of some of the advantageous applications of friction, as shown in the given table. Application of friction I. Walking                            II. Writing III. Wearing out of shoes IV. Igniting a matchstick V. Gripping an object Which of the items listed in me given table is riot an advantage of friction?

    A)  II                                           

    B)  III     

    C)  IV                          

    D)  V

    Correct Answer: B

    Solution :

      Friction plays an important role in life. Friction has disadvantages as well as advantages. One of the disadvantages of friction is the wearing out of shoes when used for a long time. The reason for this is the heat developed by friction between the shoes and the ground surface while walking. The correct answer is B.


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