Suppose that P$\_(1)=4\mathrm{.}5$kN and P$\_(2)=7\mathrm{.}5$kN$.($Figure $1)$

Figure

Part A

Determine the force in member AB of the truss.

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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Part B

Determine the force in member AD of the truss.

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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Part C

Determine the force in member BC of the truss.

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.

Part D

Determine the force in member CDCD of the truss.

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.

Part E

Part complete

Determine the force in member BDBD of the truss.

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.