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A little boy pushes a wagon with his dog in it. The mass of the dog a nd the wagon together is 45 kg. The wagon accelerates at 0.85 m/s2. What force is the boy pulling with? 

Guest Feb 23, 2017
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F=ma

F=45 kg  x  .85 m/s^2 = 38.25 kg-m/s^2 = 38.25 N   (pushing or pulling......the question states both)

ElectricPavlov  Feb 23, 2017
edited by ElectricPavlov  Feb 23, 2017

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