Resultant force
Calculate mathematically and graphically the resultant of three forces with a common center if:
F1 = 50 kN α1 = 30°
F2 = 40 kN α2 = 45°
F3 = 40 kN α3 = 25°
F1 = 50 kN α1 = 30°
F2 = 40 kN α2 = 45°
F3 = 40 kN α3 = 25°
Correct answer:

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You need to know the following knowledge to solve this word math problem:
- geometry
- analytic geometry
- vector
- arithmetic
- addition
- planimetrics
- Pythagorean theorem
- right triangle
- triangle
- goniometry and trigonometry
- sine
- cosine
- arctangent
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