Consider the truss shown in $($Figure $1).$ Suppose that $F_1=250lb,F_2=550lb$ and $F_3=400lb.$ All interior angles are $60.$ Assume all members are pin connected.

Figure

$1$ of $1$

$1$ of $1$

Determine the force in member $AE$ 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.

$F_{AE}=$

$$

lb

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Part C

Determine the force in member $AF$ 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.

$F_{AF}=-289lb$

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Correct answer is shown. Your answer $-288\mathrm{.}68lb$ was either rounded differently or used a different number of significant figures than required for this part.

Part D

Determine the force in member $BC$ 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.

$F_{BC}=$

$\sqrt[]{}$

$A$

UT

vec

$$

$lb$

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Part E

Determine the force in member $BD$ 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 F

Determine the force in member $BE$ 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.

$F_{BE}=$

$$

$$ lb

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$F_1=250lb,F_2=550lb$ and $F_3=400lb.$ All interior angles are $60.$ Assume all members are pin connected.

Figure

Part $G$

Determine the force in member $CD$ and state if the member is in tension or compress

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

$F_{CD}=$

$$

$$

$$ Previous Answers

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Part H

Determine the force in member $DE$ and state if the member is in tension or compressic

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

$$