Physics

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F1 and F2 are two horizontal forces of 70 N each, acting on a wagon. They are at 45° to the x-axis and at right angles to each other. A third force, F3, also 70 N, acts along the positive x-axis. What if, instead, F2 acted in the opposite direction from what is shown? Find the magnitude and direction of the force that is now F1 + F3 - F2?

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