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Friction Test -...

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  • Question 1
    1 / -0

    Friction is not required in which of the following cases?

  • Question 2
    1 / -0

    Frictional force is nearly negligible on :

  • Question 3
    1 / -0

    Driving a car on a wet road is difficult because water

  • Question 4
    1 / -0

    If rough surface is polished beyond a certain limit than the magnitude of frictional force will

  • Question 5
    1 / -0

    From following statements choose the correct combination.
    A. Grease is used to reduce friction in bicycle chain
    B. Ball bearings are used to reduce friction in a fan
    C. Oil can be used to increase friction in a car engine.
    D. Talc can be used to reduce friction when an object is sliding on a surface. 

  • Question 6
    1 / -0

    In which of the following cases the net force is not equal to zero?

  • Question 7
    1 / -0

    The application of decreasing friction includes :

  • Question 8
    1 / -0

    Which of the following activity would not be possible in the absence of friciton?

  • Question 9
    1 / -0

    The friction of the surface of a wooden bench can be increased by;

  • Question 10
    1 / -0

    What would happen to a moving object if there would be no friction?

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