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    Question

    A block of mass 2 kg is placed on a rough inclined plane

    making an angle of 30° with the horizontal. The coefficient of friction between the block and the incline is 0.4. What will be the acceleration of the block down the plane?
    A 2.3 m/s² Correct Answer Incorrect Answer
    B 3.2 m/s² Correct Answer Incorrect Answer
    C 1.8 m/s² Correct Answer Incorrect Answer
    D 4.5 m/s² Correct Answer Incorrect Answer

    Solution

    The forces acting on the block are:

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