Physics

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I am stuck on a question that asks for the resultant force(magnitude + direction)
question says :
A rope is strung between a car and Joe, the car pulls on the rope with a force of 20,000 newton. joe pulls the rope with a force of 25,000N. what is the resulatant force?
dont u find the resultant force by adding them togather if the same, if not subtract force A- Force B wel.. then it would be 20,000-25,000 which is negative= -5,000 does that make since? or should it be 25,000-20,000?

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