Question: Determine the average normal stress in bar ( B C ) of the truss. Express your answer to three significant figures and include

Determine the average normal stress in bar \( B C \) of the truss.
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.
Each bar of the truss shown in the figure below has a diameter of 20 mm . Suppose that \( P=41\mathrm{kN}\).(Figure 1)
Figure
Part C
Determine the average normal stress in the bar \( A B \) of the truss.
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.
Determine the average normal stress in bar \ ( B

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