1-Mecanica Aplicada-Magnitudes Electricas y Mecanicas

 

CALKOHLK KPFHLKBK K FK\ HO\RKFKLHEOA\ AFALRZHLK\ CKMOHRQBA\ AFALRZHLK\ GQOBKCAORKFA\

Fk afaltrhlhbkb oe sa hovaotü, shoe qua sa baslujrhü, yk qua as uok guarzk ba fk okturkfazk. \ho acjkrme, bajhü sar aotaobhbk pkrk pebar ufhzkrfk lece dklaces dey ao bãk. Ksã, uok rkck ba fk Gãshlk Lfëshlk sa aspalhkfhzü aspalhkfhzü ao astu astubh bhkr kr fk fkss lkus lkusks ks y fe fess agal agalte tess ba baff ga gaoü oüca caoe oe ff ffkc kckb kbe e

‖Afa ‖Afalt ltrh rhlh lhbk bkb– b–,,

guob guobko kobe be

aote aoteol olas as

fk

‖Afalt ‖Af altret retalo alohk– hk– fk lukf lukf pube pube baskrr baskrreff effkrs krsa a mrklhk mrklhkss k pr preg eguo uobe bess

astu astubh bhes es

kotarh kot arhera erass k aff affk k

y

ba bask skrr rref effe fess

ck ckta tacë cël les es

maoark maoarkobe obe axpras axprasheo heoas as y gür gürcuf cufks ks ba kpfhlklhüo kpfhlklhüo prëll prëllk. k. Ao af astubh astubhe e ba fk

Afaltretalohk dky ckmohtubas afèltrhlks guobkcaotkfas qua sho affks af baskrreffe ba kpfhlklheoas y su use ao fk hobustrhk dujhasa shbe hcpeshjfa Astks ckmohtubas pebaces rasuchrfks ao af shmuhaota lukbre

Ao af lukbre kotarher pebaces var lkbk uok ba fks ckmohtubas jëshlks ba fk afaltrhlhbkb, su shcjefemãk y sus uohbkbas ba cabhbk y leo què afacaotes ba leotref sa bajao cabhr. Af lüce astëo rafklheokbks lkbk uok ba affks aotra sh as af rasuftkbe ba fes astubhes ba fk Afaltretalohk fes lukfas varaces k leoouklhüo jravas axpfhlklheoas. ZA\H\RAOLHK AFALRZHLK (Z) “ FAX BA EDC

Ao fk fay guobkcaotkf ba fk afaltretalohk as fk Fay ba Edc, pestufkbk pestufkbk per af shle kfacëo kfacëo Maerm Maerm \hceo Edc quhao axparhc axparhcaotkf aotkfcaot caota a oetü oet ü qua tebe tebe cktarh cktarhkf kf aoa aoa uok leostk leostkota ota rafklh rafklheok eokbk bk aotra aotra fk bhgaraolhk ba petaolhkf ( veftkia) kpfhlkbe y fk lerrhaota qua lhrlufk kf kpfhlërsafa kpfhlë rsafa,, astk leostkota, leostkota, prephk prephk ba lkbk cktarhkf cktarhkf fk baoechoe baoechoe ‖rashs ‖ra shstao taolhk lhk–– y fk rafklhüo rafklhüo aotra aotra aff affk, k, fk taoshü taoshüo o y fk ler lerrha rhaota ota fk pebaces rasuchr ao af ‖Rrhëomufe ba Edc–.

 

RAO\HEO AFALRZHLK (W)

Af tèrc tèrcho hoe e Ra Raos oshü hüo, o, le leo o er erhma hmao o ao af fk fko o taosģe tao sģe,, a aoa oa bhgara bhgaraota otass klaplh klaplheoa eoas. s. Per fe ma maoa oark rkff sa raa raara ra kf astk astkbe be ao af qu qua a sa aolu aoluao aotr trk k uo lu luar arpe pe luko lukobe be astë astë jk jkie ie fk houaolhk ba guarzks qua rasuftko epuastks. Af tarcho tar choe e Afèltr Afèltrhlk, hlk, per su pkr pkrta, ta, as kquaff kquaffe e vholufkbe k fk afaltrhlhbkb (fk prephabkb ba fk ckta ck tarh rhk k lk lkrk rklt ltar arhz hzkb kbk k pe perr af ra raldk ldkze ze e fk ktrkllhüo aotra sus pkrtas ba kluarbe k fk prasaolhk ba preteoas e afaltreoas lece sa acaosheoü kotarhercaota). Fk hbak ba Raoshüo Afèltrhlk, ba asta cebe, sa kselhk k fk ckmohtub qua parchta hobhlkr fk bhgaraolhk axhstaota axhsta ota ao af petaolhkf afèltrhle afèltrhle qua sa ramhstrk ramhstrk aotra bes puotes. Fk taoshüo taoshüo afèltrhlk tkcjhèo sa leoela lece veftkia, luyk uohbkb ba cabhbk as af vefe (W). Fk taoshüo afèltrhlk sa puaba baohr lece af trkjkie per uohbkb ba lkrmk aiarlhbe per af lkcpe afèltrhle sejra uok pkrlufk lkrmkbk pkrk cevarfk aotra bes peshlheoas batarchokbks. As hcpertkota taoar ao luaotk qua fk taoshüo afèltrhlk oe astë rafklheokbk leo fk bhstkolhk qua ralerra fk lkrmk, shoe qua astë batarchokbk per af petaolhkf afèltrhle qua axhsta aotra fes bes puotes. Recaces af lkse ba uo puote K y uo puote J> sh axhsta uok bhgaraolhk ba petaolhkf aotra kcjes, puabao uohrsa k trkvès ba uo leobulter per af lukf lhrlufkrëo fes afaltreoas. Qok perlhüo ba fk lkrmk lrakbk per af puote ba petaolhkf cës kfte ffamk kf puote ba petaolhkf caoer vãk af leobulter. Fk lerrhaota afèltrhlk lask ao af cecaote ao af qua fes bes puotes femrko hmukfkr af petaolhkf afèltrhle. K caoube sa kprevaldk uok kokfemãk leo uok tujarãk ba kmuk pkrk lecpraobar fes leolaptes guobkcaotkfas ba fk taoshüo afèltrhlk leo cës gklhfhbkb. Recaces per aiacpfe af kmuk9 ao asta lkse, su pkpaf pkpaf fe elupko elupko fes afaltreo afaltreoas, as, fes lukfas lukfas bajao cevar cevarsa sa pkrk pkrk rakfhz rakfhzkr kr uo trkjki trkjkie. e. Pkrk Pkrk fk prepufshüo baf kmuk baja axhsr uok jecjk, qua ao af lkcpe ba fk afaltrhlhbkb puaba sar koëfemk k uok guaota ba veftkia, fk lukf hcprhca ao fes afaltreoas uok lhartk prashüo> lukobe fk guaota astë kpkmkbk, oe dky uie ba afaltreoas, chaotrks qua ao af astkbe epuaste maoark uok bhgaraolhk ba prashüo, fk taoshüo, mrklhks k fk lukf sa cuavao fes afaltreoas

HORAO\HBKB E LEZZHAORA AFALRZHLK (K)

As af uie ba lkrmk afèltrhlk qua ralerra uo ckta ck tarh rhkf kf le leob obul ulte terr bu burk rkot ota a uo pa parh rheb ebe e ba acp acpe e ba bata tarc rcho hokb kbe. e. \a axpr axpras ask k ao L/ L/s, s, lufecjhes per samuobe shaobe fk uohbkb cës leoelhbk lece Kcparhe (K) Ao uo lhrluht lhrluhte e afèltr afèltrhle hle lar larrkb rkbe, e, fk lkr lkrmk mk ba afaltreoas vk shacpra baf pefe oamkve kf pefe peshve.

 

RHPE\ BA LEZZHAORA AFALRZHLK

\a puabao baohr bes pes ba lerrhaota afèltrhlk9 Lerrhaota Leoouk. \a baoa lece fk lerrhaota beoba af uie ba afaltreoas elurra shacpra ao af chsce saobe. Lerrhaota Kftarok. \a baoa lece fk lerrhaota beoba af saobe ba lhrlufklhüo lkcjhk ba gerck parhübhlk. 

AGALRE\ BA FK LEZZHAORA AFALRZHLK

Aotra fes agaltes ba fk lerrhaota l errhaota afèltrhlk, seo tras fes qua sa baoao ba gerck dkjhtukf9 









Agaltes lkferãles. \a prebulao per af kucaote ba tacparkturk baf leobulter bajhbe kf pkse ba fk lerrhaota afèltrhlk. Rhaoa kpfhlklheoas jëshlks ao astugks, deroes, atl. Agaltes quãchles. \a prebula ao leobulteras hüohles, beoba fk lerrhaota prebula lkcjhes quãchles, ùfas per aiacpfe ao fk afaltrüfhshs. Agaltes ckmoèles. Rebk lerrhaota afèltrhlk qua pksk per uo leobulter lrak uo lkcpe ckmoè ckm oèle le shchfk shchfkrr kf prebul prebulhbe hbe per fes hckoas hckoas.. \us kpfhlk kpfhlklheo lheoas as seo hooht hoohtks, ks, basba basba fes ceteras afèltrhles, tafavhsheoas, rkbhes, vefcatres, kcparãcatres, atl. Agaltes fucãohles. \ulaba lukobe pksk fk lerrhaota k trkvès ba uo fkcaote y sa aolhaoba uok je jecj cjhf hffk fk.. Ao af lkse lkse ba tuje tujess u uer eras asla laot otas as e bh bheb ebes es fuch fuchoe oese ses, s, sa pr preb ebul ula a uo uok k trkosgercklhüo ba aoarmãk afèltrhlk ao aoarmãk fuchoesk. Agaltes shefümhles.  Asta agalte puaba kgaltkr k fks parseoks y k fes kohckfas, erhmhokobe afaltrelulhüo. Qo aiacpfe ba asta agalte as af prevelkbe per fes kpkrktes ba afaltrecabhlhok

PERAOLHK AFALRZHLK

Fk Petaolhk afèltrhlk as fk preperlhüo per uohbkb ba acpe leo fk lukf fk Aoarmãk afèltrhlk as trkosgarhbk per uo lhrluhte afèltrhle. As balhr, fk lkobkb ba aoarmãk afèltrhlk aotramkbk e kjserjhbk per uo afacaote ao uo cecaote batarchokbe. Aste shmohlk qua fk Petaolhk as fk lkobkb ba Aoarmãk qua sa aotramk per samuobe ba uok guaota ba aoarmãk k fes afacaotes leosuchberas qua leovhartao fk aoarmãk afèltrhlk k bhgaraotas pes ba aoarmãk Fk uohbkb ao af \hstack Hotaroklheokf ba Qohbkbas as af vke e wk (]). LEOLAPRE\ BA PERAOLHK X AOAZMHK

Pkrk aotaob Pkrk aotaobar ar què as fk Petao Petaolhk lhk afèltr afèltrhlk hlk as oal oalask askrhe rhe leoela leoelarr prh prhcar carkca kcaota ota af leolap leolapte te ba ‖Aoarmãk–, fk lukf as fk lkpklhbkb qua aoa uo luarpe, calkohsce e bhspeshve lukfquhark pkrk rakfhzkr uo trkjkie kf sar secabe per uok guarzk. Ao Gãshlk Gãshlk (Calëo (Calëohlk hlk Lfëshl Lfëshlk) k) sa bhla bhla qua uok guarzk guarzk rakfh rakfhzk zk trkjki trkjkie e lukobe lukobe kftar kftark k af astkbe astkbe ba cevhchaote ba uo luarpe. Ao Afaltretalohk, sa sa kpfhlko fks chscks fayas ba fk Calëohlk Calëohlk Lfëshlk leo fe lukf taobraces qua ao af baspfkzkchaote ba uok lkrmk afèltrhlk ([) aotra bes puotes secabes k uok bhgaraolhk ba petaolhkf (W) supeoa fk rakfhzklhüo ba uo trkjkie afèltrhle9 Fk Aoarmhk puaba axpraskrsa lece (])3 ([)x(W), beoba ([) 3(H)x(t) qua kf raacpfkzkr ([) taobraces qua (]) 3 (W)x(H)x(t) beoba beoba (H) as fk lerrhaota lerrhaota baf lhrluhte lhrluhte y (t) as af acpe ao qua sa cuava fk lkrmk ([). \a puaba bacestr bacestrkr kr qua, samùo samùo fk Calëohlk Calëohlk Lfëshlk, Lfëshlk, qua af trkjkie trkjkie baskrreffk baskrreffkbe be per uohbkb ba ba acpe as fk petaolhk petaolhk (P), aoteolas aoteolas (P) 3 (])/(t) y raacpfkzko raacpfkzkobe be (]) per fk axprashüo axprashüo aquhvkfao aquhvkfaota ta

 

kotarher quabk qua (P)3(W)x(H)x(t)/(t) y eparkobe cktacëlkcaota okfcaota quabk quabk qua (P)3(W)x(H) fk lukf as fk axprashüo cës uskbk.