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  5. Work, Force, Energy and Simple Machines

5th Class Science Work, Force, Energy and Simple Machines Question Bank Force, Work and Energy

  • question_answer
    The box in the given figure would be easier to move if the surface of the ramp was smoother because there would be less -

    A)  Mass in the box.

    B)                         Friction opposing the box.

    C)                         Gravity pulling on the box.

    D)                         Distance to push the box.

    Correct Answer: B

    Solution :

    Friction opposes the motion of an object. Rough surfaces increase friction.


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