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8th Class Science Friction Question Bank Friction

  • question_answer
    What is the value of sliding friction for an object which requires 7 N of force to move it from rest?

    A)  7 N

    B)                         Greater than 7 N

    C)                         Less than 7 N

    D)                         14 N

    Correct Answer: C

    Solution :

    Sliding friction is less than the friction that builds up before sliding, i.e., static friction. Hence, sliding friction is less than 7 N.


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