Part A

If the ends support only vertical forces, determine the greatest magnitude of $P$ that can be applied. ${}_{\text{a}\text{l}\text{l}\text{o}\text{w}}=35$MPa,

${}_{\text{a}\text{l}\text{l}\text{o}\text{w}}=800$kPa.

Express your answer to three significant figures and include the appropriate units.The timber beam is to be loaded as shown. $($Figure $1)$

Figure

$1$ of $1$

A horizontal beam rests on thin horizontal plates at its left end $\text{'}$A$\text{'}$ and right end B$.$ Load P acts vertically downward on top of the beam at its midpoint $4$ meters from both ends. The T$-$shaped cross section of the beam is shown. The vertical portion of the T is a board with a width of $40$ millimeters and a height of $120$ millimeters. The horizontal portion on top of the vertical portion is a board with a width of $150$ millimeters and a height of $30$ millimeters.

Part A

If the ends support only vertical forces, determine the greatest magnitude of P

that can be applied. $\backslash$sigma allow$=35$ MPa $,\backslash$tau allow$=800$ kPa

$.$

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

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Activate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type

P

$=$

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