Question: Consider the truss shown in ( Figure 1 ) . Take F 1 = 7 k N and A E is constant. Figure 1 of

Consider the truss shown in

(

Figure

1) .

Take

F_{1} = 7 k N

and

A E

is constant.

Figure

1

1

Part A

Determine the force in member

D F

of the truss.

Express your answer using 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_{D F} =

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