Two engines pull a train in opposite directions. If engine A exerts a force of 4000N and engine B exerts a force of 9000N. Calculate the net force. *
a.13000N
b.5000N
c.2500N
d.2000N
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Answer:
a. 13000 N
Explanation:
Because the force acting on the train is the sum of force exerted by the engines on the train
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