Question: Consider the truss in ( Figure 1 ) . Suppose that ( P _ { 1 } = 6 mathrm { kN }

Consider the truss in (Figure 1). Suppose that \( P_{1}=6\mathrm{kN}, P_{2}=9\mathrm{kN}\), and \( P_{3}=12\mathrm{kN}\).
Determine the force in member \( B C \).
Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension.
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Part B
Determine the force in member HC .
Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension.
\[
F_{H C}=
\]
Part C
Determine the force in member \( H G \).
Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension.
Consider the truss in ( Figure 1 ) . Suppose that

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