

206 



0. BPEflHXHH'B, 



xbocte. 3AicL ue Micro H3jaraTb a-Libia xpaicraT-b o CKa3aHH0MT> HBjieuia: Bee 

 3to yace pa3BHTO n nocxpoeao paiibiue npa iiomoihji ^HCJiOBtixt a reoMexpane- 



CKHXT> ^aHHBIX'L. 



03HaKOMnBinncb ct> npeAMexoiab, aaxopx, Hyamo HaAfcaxbca, ocTaBHTt 

 cbob BeyAOoonoaaiHbiH o6T>acaeHiH BbnneynoMaHyxbixT> Ayn> npn noMoma npo- 

 HHKama b-b KoaexHyio ax3ioc«i>epy, ao pa3JmEi0H niyoaHbi ea, lacxaieK'b Be- 

 mecTBa KopOHa.ibHaro TOKa, Koxopbia noxoMT>, BM-Bcrfe ct> HacxaqKaivra 3tob 

 axjioc<i>epbi, «npoxa.iKBBaioxca jme bt> xbocxi>. 



Bt> ca.MOMb Haqajt Mbi yKa3ajiH Ha to, hxo aBropy, Aia nocxpoema apa- 

 Bbix-b xBOda, iiyatHO npaAyMaxb Kaa^Abia pa3i> oaeHb cioacayio iiociif>AOBaxe:ib- 



HOCTb CKOpOCTefi HOXOKOBT> KOpOHbl. Bl> 9X0MT> IMiaBHOM'b Xk.Tk, BT> 3X8X1 OCHO- 



Baxi> CBoefi xeopia, oa"b orpaaaaHBaexca xojibKO oohjbmb BbipaatemaMH, yno- 

 AOojemaMH h cpaBHeHiaMa; ho OAHy H3X aacxHocxea HBJieaia, HMeHHO caa3aH- 

 Hbia Ayra, ohx ycajHBaexca npeACxaaaxb aaKx oyAXO 6bi CTporo, TaKi> ixo 

 HHineTT) Aaate HEKOxopbia MexaHaqecKia 4>opMy.ibi. 



EfeBicTHo, axo bx MexaHBKT> cajia Mtuoeeunaa (B3pbiBi», HMnyjiBCb, tojt- 

 ^oktj . . . ) H3M-EpaeTca npoa3BeAeaie:\i'b Maccbi aacxaabi na cooomeHHya) ea 

 CKopocTb; nenpepbiono ATJicxByromaa cajia H3Mf>paexca npoasBeAeaiewb Maccbi 



\ 



Ha ycKopeme. B-b oahomx> m^ctb (A, 52) aBxopx, naniexT> 



f=m. r, 



roBopa, axo F ecrb ABHaiymaa cajia, V — maximum (?) npoa3BeAeHaoa cko- 

 pociH, a M — ABHSHMaa Macca, a 3to paBencTBO obt> npcucTaBjmerb aaKb 

 ajJHocxpaaiio xoro, axo cnja npoH3Bo^aui,aa orpoaiHoe ABaajeaie He AoaatBa 

 HenpeM^HHO no Be.iaaaHf> Cbixb xoace orpoMHoa. Bt> Apyromi, wbctb oht> 



(B 



ejective force F = m. v 2 . 



^ajrfee, utcKOJbKO pa3i> oht. noBxopaexx. (A, 53; C, 107 a np.), ^to 

 npa AMcTBia hocxohhhob chjm HHAHBHAyajLHtia aacxaabi noxoua ABamyxca 

 coBepmeHHO cainocxoaxe.ibBo, onacbiBaa aaatAaa cboio opoaxy, ApyraMB cio- 

 BaMH, axo noTOKi. ecib cacTeivia coBepmeaHO cBoooAaaa. Ho pa3CMaxpaBaa bh- 

 paateHie F=m.v 2 , t%£> m ecTb Macca Aatmaro o6i.eMa noToaa, aBTopi* ooV 

 acHaeTi> (B, 211), aio HHABBHAyajbHbia aacTaabi, cociaBJiaiomia Maccy m, ae 

 AOJiatHbi HeooxoAHMO mrkib paBH&ia Maccbi ; ho, BCJi^ACTBie hxt> 6jib30cth oahob 

 Kb Apyroa, Bcfe OHt npuwyoKdeuu nwkib o6m,yK) CKopocTb (t. e. cocTai 

 yaie cacxeMy HecBo6oAHyio). Ohtj apoAOJiacaeT-b (B, 213): «Bcf> mcmuuu AaH- 

 Haro KopouaabHaro noxoKa HMiroxt OAHy a xy ate caopocxb, a noxoMy MOMeumz 

 oo.xfee Taate.ibix r b aacxaa^ SyAeTi. oojri&e MOMeHxa xixi* aacxaaij, aoxopbia 

 HM'feiox'b MeHbmyio inaccy. Ecia 03Ha t iHM , b Maccw pasiH^Hbixx. aacxaHeKT> no- 



*B3.-MaT. c-rp. 132. ,28 



aatox'b 



