Problem $2\mathrm{.}1$

The steel framework is used to support the stone concrete slab shown

in $($Figure $1)$ that is used for an office lobby. The slab is $250$ mm thick.

Take $a=3m,b=8m.$

Figure

Correct

Part D

What is the value of $P$ used in the answer for the previous part?

Express your answer to three significant figures and include the appropriate units.

$P=$ Value $,$ Units The steel framework is used to support the stone concrete slab shown

in $($Figure $1)$ that is used for an office lobby. The slab is $250$ mm thick.

Take $a=3m,b=8m.$

Figure

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Enter your answer with a different unit type. Review a list $of$ acceptable units. ${?}_{(}())$

Part C

Select the correct loading that acts along the member FED.