Name:

CCE $203-$ HW $5\mathrm{.}11$

Date:

While trying to protect the super$-$secret recipe for the Krabby

Patty, Mr$.$ Krabbs has built two boxes for consideration. Both are

made by nailing wooden boards together with nails that have

allowable shear of $250N.$ He is anticipating Plankton's attacks on

the box will produce a shear force of $3\mathrm{.}2kN.$

a$)$ What is the maximum longitudinal spacing $s_A$ for the nails

in box A$?$

Sa

The answer is between $50$ mm and $100$ mm

b$)$ What is the maximum longitudinal spacing $S_B$ for the nails in box $B?$

$Sb=$

mm

the answer is between $65$ and $110$ mm