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A locomotive with a mass of has a wagon with a mass of attached to it. The combination accelerates with an acceleration of . With what force does the locomotive engine work and with what force does the locomotive pull the wagon?
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has a wagon with a mass of 
attached to it. The combination accelerates with an acceleration of 
. With what force does the locomotive engine work and with what force does the locomotive pull the wagon?
while it pulls the wagon with a force of 
.
