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Unformatted text preview: 3 , ICS’WLWWWL swig/w 4......“ moment about A of the 15kN force F exceeds 18 thm. Based ! I
} The support at the left end of the beam will fail if the
i on this criterion, what is the largest allowable length of the beam? 3 } 1.6mm g Aacms~(z.%g§) MMZS’OW
E 18 .2 JAIME  3264/43 57,574ﬁ
i IZ.25‘7 54604 i
; Five forces act on a link in the gearshifting mechanism of a
lawn mower. The vector sum of the ﬁve forces on the bar is zero. The sum of their moments about the point where the forces A: and
Ay act is zero. (a) Determine the forces Ax, A’, and B. (b) Determine the sum of the moments of the forces about the where the force B acts. “ WW 14 W EQUWIBEWM t, it: .—. 30AMoer3,Ax,/t3,5 I. 91,
Nm 3 wane/43 . . . “a? . v I :M’fo @AX'A3,¢30*M W5 690 V L A W WW WV PM, Was—o 330
;. Tma/ wmwe N0 maxim
WT TIM FONT.) O = Iooowéwmj + Zea/mnCzs’w/s 20‘)+ ﬂaw (B) '53 ([3755); :0 E:  20/]; 1?»! Egch Z'I7/ 9 2M 3:; .mem). mééw 65m —; — #335 « 7420' — H765" «#29760
:2 O L L? lg H4 EQWLWRIUM
(My 30M 0F MOMEKH? A/Eouf ANY Fem—f V
’Wé WW =0 .(ﬁoraﬁmmwwﬂ An engineer estimates that under the most adverse expected
weather conditions, the total force on the highway sign will be F =
11.4i  2.0j (kN). What moment does this force exert about the ...
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This note was uploaded on 09/16/2010 for the course CE 2450 taught by Professor ? during the Spring '08 term at LSU.
 Spring '08
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