Please solve

Part A

The beam is constructed from three boards. $($Figure $1)$

The allowable shear stress that the wood can sustain is ${}_{\text{a}\text{l}\text{l}\text{o}\text{w}}=365.$ Each nail can support a

shear force of $430$ lb $.$

Figure

Part B

Determine the maximum allowable spacing $s$ of the nails used to hold the top flange to the web.

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

$s_t=|$

Request Answer

Part C

Determine the maximum allowable spacing $s$ of the nails used to hold the bottom flange to the web.

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