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physics

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A 15kg wedding cake is allowed to slide freely down a smooth 30degree inclined. Find the resultant force down the inclined and the acceleration of the object.

  • physics -

    Fc=mg = 15kg * 9.8N/kg = 147N @ 30Deg = weight of cake.

    1. Fp = 147sin30 = 73.5N = Force parallel to the plane downward.

    2. F = ma.
    a = F/m = 73.5 / 15 = 4.9m/s^2

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