Question: Three forces are applied to an object, as indicated in the drawing. Force , has a magnitude of 21.0 Newtons (21.0 N) and is directed

Three forces are applied to an object, as indicated in the drawing. Force , has a magnitude of 21.0 Newtons (21.0 N) and is directed 30.0 to the left of the + y axis. Force F, has a magnitude of 15.0 N and points along the + x axis. 30.0 +x What must be the magnitude and direction (specified by the angle 0 in the drawing) of the third force F, such that the vector sum of the three forces is 0 N? [Answer: 18.7 N, 0= 76.19]
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