Physics

two blocks (a and b) are in contact on a horizontal frictionless surface. a 60N constant horizontal force is applied to A. the mass of a is 3.0 kg and the mass of b is 15 kg. what is the magnitude of the force of a on b

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  1. the blocks accelerate at
    ... 60/18 = 10/3 m/s^2

    the force necessary for b
    ... 15 * 10/3

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