48) This problem asks us to find the tension in each rope between the horse and the railroad car. The diagram shows us that the net force acting on the object is in the x-direction. This means the y-components of the forces have the same magnitude in opposite directions. This tells us that both horses are pulling with the same force; thus, both ropes have the same tension.
Next, I would sum all the forces in the x-direction.
Finally, we need to substitute the values we know and solve for tension(T).
Answer: C
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