# LEC2 - EM 345 13-4 RELATIVE MOTION ALONG A LINE If n...

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Unformatted text preview: EM 345 13-4 RELATIVE MOTION ALONG A LINE If n particles move independently of each other there is independent relative motion. The number of degrees of freedom (DOF) = n If the motion of some of the particles are dependent on other particles there is dependent relative motion. The number of degrees of freedom = m < n, where m is the number of particles that move independently. DilzwnE/vr Mar/o” L 235:4 +52 +Cow:rA4/r' L=o=354+55 “ '0 L :0 = 35A +5.3 INﬂEPEA/atw 7' mo 77o” V3:-5"3= 3.33 twp/5f = -0.1 Ina/57' 2(—o.1>+3~3:8: 0/ a3 a}? : -o,l333 h/y- (4; {Wt/s -y “A =o.zm/;'1.— Mr"; 4/333 lat/J" 4. I233 top/.5" é BLOC/C A I: [5/pr L: 4;!— Sc + C GWEN: :433-\$¢= o 5.837'W/5 i=4.IB—.;:D 3;:a3m/J7' 840416 C /; F/Xéﬂ re = “w: 33 =o.3m/s’- L= 354 +453 +9 i= 35}. +45: =0, L =3; MS, =0 35:4 *4-(7—)=0 3:5; +4(a.3):o 5.4:-2,&7 rd: 5”; :-o,4—p.,/5’- VA = 247w: —v a} —. 0.4%,», M -—-———-—-— g3: 21H!" L 2.563): 2J4? ﬂags”. J =-—3. 75m/J/ (.33 2.:(0) + (—3): 21 + (4.7!): I: —2 5'3 . Ira/51’ a = 2.53méx" M- J ,1 #11. J -*"' '— ..... .____.L. ‘ Egan A16 ULA 1 Ca area/M475: A A QM: Xltﬂ +— Mt) J' 5—7" : 8/0 (t7) ' 6/0 (ti) 6; =(X[tz) 'X(tl)>z\ +64“) .7117» f at) =wt>f+ wag: (Ma) “1) Wauémmyws 4,30): ax[t)4:+ar{t)f/\ 3 17/455 rVy(t>J A = 5726:) = X(t>f‘+>7(c)a‘ Ar [Axon/6: x: Ioo : Vat; @ t".c :: 247/155 Y: 0 = 35-41-(29073; @ V0: 37.4357m/5 M. VD: 37.4m/_; .2 842768 kw/h I Va: /3+.8 mg, '1. 1 {- b. V; =[Vo +628/t‘oﬂ :: +51% w/: = lé‘kfkm/A ...
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## This note was uploaded on 04/02/2008 for the course E M 345 taught by Professor Donaldsturges during the Spring '08 term at Iowa State.

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LEC2 - EM 345 13-4 RELATIVE MOTION ALONG A LINE If n...

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