corigue $2$

$\frac{1}{2}$

CE $240$

ENGINEERING STATICS

EXAM #$3$

MAY $9,2024$

TIME: $2$ HRS

OPEN BoOk$/$NOTES

Prob. #$1$: $(25\%)$

dow't do $9\mathrm{.}81$

$w_A={1016}_{,}{w}_B=6^{16}$

$K=2l\frac{b}{f}t$ ORIGINAET

${}_A=0\mathrm{.}15,{}_B=0\mathrm{.}25$

$2$ BLOCKS ARE RESTING ON INCLINE. AS $$ INCREASES

FROM ZERO, DETERMINE THE ANGLE $$ WHICH WILL CAUSE MOTION OF ONE OF THE BLOCKS.

b$)$ WHAT IS THE FRICTION FORCE UNDER EACH OF THE BLOCKS WHEN THIS OCCURS

ProB. #$2$: $(25\%)$

$q,$ MOMENT DIAGRAMS. IDENTIFY MAX$/$MIN SHEARS, MAK$/$MIN MOMENTS ANO WHERE THEY OCCUR.