Consider the truss shown in $($Figure $1).AE$ is constant. Suppose that

$F=2\mathrm{.}6kN.$

Figure

Part A

Determine the vertical displacement at joint $(2)$ measured upward.

Express your answer using three significant figures. Enter positive value if the displacement is upward and negative value if the displacement is downward.

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Part B

Determine horizontal component of the support reaction at joint $(3)$ measured to the right.

Express your answer to three significant figures and include the appropriate units. Enter positive value if the force is rightward and negative value if the force is

leftward.

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Part C

Determine vertical component of the support reaction at joint $(3)$ measured upward.

Express your answer to three significant figures and include the appropriate units. Enter positive value if the force is upward and negative value if the force is

downward.

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Part D

Determine the support reaction force at joint $(1)$ measured in the direction of the arrow labeled as $4$ at the joint.

Express your answer to three significant figures and include the appropriate units. Enter positive value if the direction of the force is the same as arrow $4$ and negative

value if the direction of the force is opposite to the arrow $4.$

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