hwk_19

hwk_19 - m WWII/5' gWKfilfi __ ____§$J 159.5 The...

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Unformatted text preview: m WWII/5' gWKfilfi __ ____§$J 159.5 The horizontal BEatform AB CD weighs 501b and supports a 240- ib load at its center. The platform is normally held in Eogjfigg by hinges at A and B and by braces CE and DE. If brace DE is removed, determine the reacfions at the hinges and the force exeried by the remaining brace CE. The . hinge at A does not exert an; axig thgigt. 1;, am, Me is :44) fl gg‘ojeje) . meager) "x , moi—4, 2) aka D} 2) («gen Comm-“7553335 ;@ 29% Bxéwkfijj +33%; 52;» ‘ __._. __7 . _.-,» . 2i i a a» ' we» F“..— 2:" [ewes—ma 5 C C é E=g33§ (é; ~3€flj fg+3,37if£é50 QEXjBfikrme+Créx~m§> #36:} km: ei+e3 43—}. 45F (égfiggg 4-! 3245’ «—%,2$+5X+W®flfl Bz‘gfifiafilé + EST-i ® 6 4'5? +W} «355:- e +74. . @‘ Egflfifi§§§i© §g=i§3% é uz4éwfl I | f" <32: Mamet" EQUIL. = 10:: we» '/ °. ;;+ " ' +5 ; f '— J ‘ E c 655‘ L ZSBEfi‘flM WgXDyQ4Dz_r_g) L9, xbae) fezgtflg H/ *— .—-— amen/is; ET and D. The diameters of gears A and B are 6 in. and 3 in, respectively, and the tangential and radial forces acting on the gears are as shown. Know- ing that the system rotates at a constant rate, determine the reactions at C _ and D. Assume that the bearin at C does not exert an axial force, and ne- glect the weights of the gears ana the shaft. flee/30 6%?) (mafia 44% say 1).? 57¢ @u cafes: Cam " ‘7'? SFfio _Dx50 gig/.50 (if +133 «9@ ~1— 573610 Effigfio 0,; mg + 269’»- (‘92 =0 - Its": E/VTJO e912? itmstfifbxfi)%£§)+mfo _/ 3354;15r/eeod .1. 753}; F, 71);? + fitWOga [7253 :0 e " 1:0 = 9524 [I5 Gears A and B are attached to a shaft supporteci by bearings at E \e, SD SI‘HEE'E'ES 712—151.? 100 SI'iEETS fi.‘ Al "- 3% SHEL. ,7 r E 3:99 SEFOMS' iWKjUB Vega" 7 3% _ EDS l While being installed, the 25-kg chute ABCD is attached to a wall with brackets E and F and is braced with props CH and I f at its outer edge. 3 6 m Assuming that the weight of the chute is uniformly distributed determine the ' magnitude ofthe force exerted on the chute b: 2102 I if prop GH is removed. f 4 Firkb i WNW/KR 1922M AXES: O fa EWJWFFEF ALL OTHER REM/de *FoKZQE$ Ab], TD 1% FQUADQ y.” S w ' CTZ'V 'il—nv- 2231?“; 200 SHEET \ 22-1!“ 1 SF‘ i 22-1-5153 EGG SHEETS O . .» - - - to ) 1 g ,M. . g/8 3r ‘a L%;L425,D.'225 ’ {3? 1163’“? , 1.4., SWO .; a'Egj‘ugga-OJBJ-tOE AB 3’35 ' I 1—? QM“ ‘ g: m ) a - RF" Ewe mg: ‘ 131205253 +6326§am I'm; == Mg;— miflfléé/m h; "43$;ng J F; ~o‘oieeg+o,%€i— 0,1929 N i Du]. '_»+52;9744 + ...
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This note was uploaded on 10/06/2010 for the course CE 2450 taught by Professor ? during the Spring '08 term at LSU.

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hwk_19 - m WWII/5' gWKfilfi __ ____§$J 159.5 The...

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