a. The magnitude of force F2 b. Angle between the resultant force R and the +x axis F2 30° F1 Note that x and y are orthogonal to each other.
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Two forces F1 and F2 act at point O. R is the resultant of force F1 and F2, and it is expressed as R = F1 + F2. Given the magnitude of |F1| = 60 N and |R| = 100 N, calculate.
must use parallelogram law/triangle rule and sine & cosine laws.
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