Centre of Mass PDF
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This document discusses the concept of centre of mass, including calculations for different systems, like variable mass systems, and uniform rods and hemispheres. It includes derivations and equations for calculating the centre of mass in various physical situations.
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Cone omas Cewainvoaluonw or-Anaan momintum VaruiablL MAMAHatem dm- dv N oaAyshm a numb o parkels, Ao a pan Cw...
Cone omas Cewainvoaluonw or-Anaan momintum VaruiablL MAMAHatem dm- dv N oaAyshm a numb o parkels, Ao a pan Cwantng u entve has whue bekavi as s tha prnt and SHptem tentenbralnd a o tm m mouov mottn t UT dunubld Awms of u motun o- syatm Can ki Core o man Aysttm N baukoles o manis mas t Cemide aw1HK 0huvess YYY N An figo shnen ti o shnn Fig0) nive atiud aigm o T r Coubrond suptem otarrole o u The ThL Cehe o that ot mam Cavin hration vuew duine a bru w T t Y,t N N M frtal ma) o a sptem ThThu expema w lhe gtun veav oUa Censye omam (c.M) o astom porheles to venh N m Yi - roAn abo duhunihw, we draw two Cnelumms Ci) all t N hrhelun Rave a sane 4nas m N N N M=Nm N CN Conedw Ths npiyhak D e né enve Kpttm enre otm (i) weak huw or nk Attm N Th w u um ok h mauenb mami yphtm ab n Chre omax b uo. s condinalis o 9e ew a s Kawr N L 2 2 arhel. 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M e nmdd nnaa lltt ot o 2 T s n d. Ond Y, 0,2-0) vod u at(X at(Xe T h eH oU 0 Cemhre omas oawnmtam Smi irtnlan wire M lo lh M a and R h -Rdo r a d i u o u Unsorm R6mo semicAra r e ORus X ive a A eLnhre o nds a X-a 0UnungJu two amd hu u aun ve md u Y-an n X-1 Xant heM. mus Rdt o aire ak an dnint o y& b oh m lnyh e d i n a l u n me) ( = Rer,, 7 R eire nu ntk o TR Th mam dm= M(RdA) Rdo) elonn JTR AL o =Hdg JT aCH nu Tu Cdinal Hd CRe) 0 d m JT M JT (R h t ) Mdo 2R JT JT oie at0, 2R ) AL C.N. h (101) 4 Conre s ma t a unem inieirtwla pla R 0 a sinieirenlonpadi , a A eCahre o a and iY-aww shaighF edga X-0 alg shauy ma and R u vaduuo of-ki KM b drad a n d n i id o Yodiwr and Yodiw d Y Cenidn l oTods aKd YHdr smieirnlM hi h) Can treaed rgion h a d a d ryion shodsd mh m his u Riknun dr dr No tye o elemnhol ALeirla Non oe fov lu aAki eH. o ARNUYulan| ah (105 NA nloa o h adsd yuiom e JTrr 2 2M T mas JTR TR T mas o smd nm Ye b MTdr dr, 2 m ITY JTR R b d t CH. We kwno kT nderulm i r hrd vegim 2 R 2H rdr dn R eeM M dr AR.4 3T M JTR Y 0 m Ound Xex = AUmitirwm pil b at Tw CH. o A ( 4 (oG) 55 onre o ma oaa1Uom Aolyd gomishonu aduus a D 0h 2-a no omipusu nb divid Ah radius r O als 'o sud eirtwan O hnn n que AbepA an ueh KuGn b h i t k n e be d h Onre oA otane ki ha Conve ot om d rcudan blali 0 G1= 24-a thiekun eirtnlan blut othieknun eirulan pluti ot voum o-IU N JTYd2=F ila )de dz omisskn omis4hnu t UI denila eirenlanXA L u g b eirm 'Tue maM d o0(a-z)d2 and 20 Xoz0 Ye t hae Thu 2d 2 T(a2)dz 2 20 2/5 Ta w Codrdinalus Conre omas Condre 0 man oRhnene alarhei t revgeu tHh aa bod bod. tyam tyam polurebs ot CH. a mo a piilim NAutu b stve Ru b Vey T h u) COAL a foo ^arhiels ilsbalin Byskom to1K uninal Condina t n ane eated AkT parhfeln and Har cH, and H a r eH -Y-2, and Y' a a r t mY2 wt 22 C o h omav We no w oadnal Mam O eere maN sadiral (108 osiens mR uskm ane supanakd Csvdinali Mm and old a veuw R b0nton vess ao o and W,r.tUnt mew tw0 in and m, 0ma&darala e Conhre ane Cve 0 OundY Y- R Y - R Cundinal h n he ma/o Jr Conbre e mas a tval l dm a 1% Cen 5nee o um Fwlkamae untrm mov cdn wn S w H esodumal Atem, Atem, o Csrdunalk 0 M CH m,Y=O m r+ divaety bonttk hrtiraT divuty trll3 So o b fiore oka AL mot o syakrn dvuablL man Motu o-a vuckeh hne, aw Cwla yms WhosL manA do ns bu vau remaln nandwuA Har motm wilk um Amaluaen ln betemn en n wiek n a' of ma tyrap Nuwto's laos blindl T mst dramati enaxplu et sa A Yotke povidis u pepelld b We kni Hat a rotkel- a Mm wiueh eaualy ttrud anan a t h n g bwntud aLilwaluy divwasn as Ah yotkeF Yoek Mot a vrke- u m Mrnlokung A rotke M o vvanuab a u a L l na uay a tt bas o u i baus ena b enblamed &n lhi Shmouw an Ahe prineuAlu marun and Nuom's Anvarun 3ra lao m o m i n t u m ekambr a embustuy tnkans owwwt. h L otkh yAlFAtgaal As a windn ni hawem Qa- oil Evdh an a u n teye er diveihn 0oeek Nh yoekel baek0 md 4a-1 n U tovu on IN turo a venttum @nd k panju axc dirtton When UTYoeket un UtW m a triwand ytkeF auduatug n U Rup tntn h a ane h n ahal duvesrm tkut+ q 1e) Astcen J OlbsenkLU aenlutnak kovtu hu trtal s R i n (rorket a-jet) mbment umm ewsnved yocket m dlaul, A wotum o nalyze a eanal Annal V momentum Vt4V+ N M V4V Tn tt4t t. bitwcen e nkntcal atm rocker, dm CPwidnw u (EF4E a may o f u l velsi lh n t t and an Aas-je Qnd npallud The erhawa bwnl relaiye a vtke. hu natm dliamimad b u Vlou i rotlung Ahe wplants tAvuluy ofreh , iy ndtptrdt ehens er. bu (16 above shw Suem a la and a tnt ttAt) T ayhm towavb O pus renan ma o K rotke H.Jene Mt4mn A veleeily Yotker a ime t i V Cnd a ns (t +4t), Vt4V The nittal Amowomfum (t) Mtm)v u) P(ttt) = MV4V)+4wVt4V+ Vt4V+b vedauy h ZaN -jet rlahve han n monUntwm T 4P P(th4t)-P(t HWsAV 4m4V + 4mu - M+M4V + 4m/v 4 O a limit s t o =M4v 4 (4m)u metnenun hue - () dP d 4t0 poaitve oslttve dumd u Ne thar m have 4 tonvenk mednvenmta hgarve, opoulk w V eanaBum. M Ln hT yolk m nd o-Ua mad. erkanst maM. 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