Question 2.8: Solve Prob. 2-7 with F=350 Ib.
Solve Prob. 2-7 with F=350 Ib.
Parallelogram Law: The parallelogram law of addition is shown in Fig. a.
Trigonometry: Using the law of sines (Fig. b), we have.
\frac{F_{A B}}{\sin 60^{\circ}}=\frac{350}{\sin 75^{\circ}}
F_{A B}=314 lb
\frac{F_{A C}}{\sin 45^{\circ}}=\frac{350}{\sin 75^{\circ}}
F_{A C}=256 lb
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