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Unformatted text preview: NAME (print): Sng 7/ o N
GEORGIA INSTITUTE OF TECHNOLOGY
School of Aerospace Engineering
COE 2001 A QUIZ #2
Craig (closed book exam) F05 1. A rigid “T” shaped frame ABCD is pinned at D
and supported by a roller against a vertical
surface at A. A load, P, is applied at C as
shown. Dimensions a, b and c are shown. a. Determine the reactions at A and D. b. Construct a precise sketch showing the
geometric solution to this problem (i.e.,
sketch the vector reactions at A and D with
geometrically precise directions but not
necessarily accurate lengths) 7 @ 0:25: DjPme D3: Pause)
0: 21145: 'aﬂﬁ c P5036+6?EMQ 4* = We 9‘ +%éf:€'ilf O' :. 142(4'DA (“Pa/’9
Dx =  RSI/)9 ‘ [6615056 lob/a Ewe7P d : (a +5) 4a n 9
\K at : 41420 (4/0 of) O: 237%: Dswxol ’T/bsx
l T): pw‘ie/SMOK by}; cam = —~[Z_w9+(l'%)sm?]P
Dt‘:D Smx : P4969 01 2R: ax’DCO‘5X +Psm§ 0x: Dag—795105
= 204973 5055— Psmﬁ A
: [945055 + b/a_SI/IQJP A right triangle is formed from a thin rigid wire
of total length, a+b+c, as shown. This will be
hung (as part of a mobile?) from a thin cable
and it is necessary to determine where to make
the attachment on the side of length, b, so that it
remains horizontal a. Determine the location of the attachment
point. If this is replaced with a triangle of exactly
the same size but now out out from a thin
solid metal sheet of thickness, t, determine
the location of the attachment point if it is
different than case (a). b. 5 C5) U011 50/7767 42 #rang/ewc {wt
xc: 5/3 ...
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 Summer '08
 VALLE
 Geometry, triangle, Georgia Institute of Technology, School of Aerospace Engineering, geometrically precise directions, necessarily accurate lengths

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