Question: Part A Consider the truss shown in ( Figure 1 ) . Suppose that F 1 = 2 5 0 l b , F 2

Part A

Consider the truss shown in

(

Figure

1) .

Suppose that

F_{1} = 250 l b, F_{2} = 550 l b

and

F_{3} = 400 l b .

All interior angles are

60 .

Assume all members are pin connected.

Determine the force in member

A B

and state if the member is in tension or compression.

Express your answer in pounds to three significant figures. 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

A E

and state if the member is in tension or compression.

Express your answer in pounds to three significant figures. Enter negative value in the case of compression and positive value in the case of tension.

F_{A E} =

l b

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