L SOm Go 30° W. Bars N 7he uniform bar of length L and weight W is kept in the horizontal position. Determihe the smallest possible coefficient of static friction betwecn baw the bar and the inclined surfaccs.

Q/ The (200N) block shown in Fig . Has impending motion up the plane .Coused by e isjall dåg le the Horizontal force Lii 5 gå of ( 400N ). Determine the coefficient of static friction between the contact surfaces alial l. 400N 200N 300

Proble m By the co n ju g a te -be am m ethod calcu la te the slope and deflectio n at the free end C of ABC. Indic a te of rotation (clo ckw is e counterclo ck w is e) and de fle c tio n (upw ard or downward). A Is o ca lcu la te th e de flectio n at the overhanging beam the d irectio n or po int D (in d ic a te the directio n) and slopes eA and eg. E = 30000k/in and I = 200 in *. P=21.9Kip w=1.65k/ft a=11.4ft b=11.4ft в D s=5.2ft > SUMMARIZE YOUR ANS WERS (DO NOTROUND OFF INCLUDE ALL DECIMALS) Required Va lu es Answer U nits D irection radians ??? S lo pe ec Defle ctio n A C in ch ??? radians ??? S lo pe 0A ??? S lo pe 0B radians in ch ??? Defle ction AD

30 mm 94 3. Solve for the equivalent force-couple system, with the force acting at O. 96 mm 285 105 mm 230 N 90 N 150 N 300 N 2/5 4. Determine the value of the resultant and its location from O. y Wo L. L/2 L/2 Wo 5. Find P to keep the 600N roller from rolling down the rough inclined surface. P 115° 週So 105 mm 135 mm 2 m