Consider the truss shown in $($Figure $1).$ Suppose that F$1$F$1=4\mathrm{.}5$ kNkN and F$2$F$2=5$ kNkN $.$

Figure

$1$ of $1$

Part A

Part complete

Determine the force in member CDCD and state if this member is in tension or compression.

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.

FCDFCD $=$

$-11\mathrm{.}9$ kNkN

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Correct answer is shown. Your answer $11\mathrm{.}8$kN$11\mathrm{.}8$kN was either rounded differently or used a different number of significant figures than required for this part.

Part B

Determine the force in member CFCF and state if this member is in tension or compression.

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.

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FCFFCF $=$

$1\mathrm{.}91$kN

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Part C

Determine the force in member CGCG and state if this member is in tension or compression.

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.