- #1

Mosaness

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**1. The sum of the forces F**

_{A}+ F_{B}+ F_{C}= 0. The magnitudes of lF_{A}l = 100 N and lF_{B}l = 80N. Graphically determine the magnitude lF_{C}l and the angle α**2. See Attachment**

**3. The attempts at the solution are as follows:**

F

_{Bx}= 80N cos 30° = 69.3 N

F

_{By}= 80N sin 30° = 40.0 N

F

_{Ax}= 100N cos 0° = 100 N

F

_{Ay}= 100N sin 0° = 0N

After this, I can't figure out what to do, or if I am even on the right track.