Question: Set P 1 = 1 2 0 l b , P 2 = 3 0 0 l b . ( Figure 1 ) Determine the

Set

P_{1} = 120 l b, P_{2} = 300 l b . (

Figure

1)

Determine the force in member

A B

of the truss.

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 B} =

Part B

Determine the force in member

A C

of the truss.

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.

Part C

Determine the force in member

B C

of the truss.

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_{B C} =

Set P 1 = 1 2 0 l b , P 2 = 3 0 0 l b . ( Figure

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