Guia 1 Trabajo Mecánico - Fisica

 

TPK@KJO AGFËEHFO

JOLE GVTG@KE FPHONNO MKNHED MKNHEDGZ GZ DKEEK XKNHTL IGPEKEDGZ FOPTGZ VOIÁK MHPÖE AOEFKXO PWTL FGNGEX MOAGZ GPKZO HVK@GNNK PKAHPGZ INOPGZ JGEEHIGP NHZGTL VKEFLGZ DGNMKDO

HEVTHTWFHÖE GDWFKTHYK FHWDKD NK LOPAHMK IÁVHFK NK LOPAHMK - RWTWAKXO 0202

 

TPK@KJO AGFËEHFO

JOLE GVTG@KE FPHONNO MKNHED MKNHEDGZ GZ DKEEK XKNHTL IGPEKEDGZ FOPTGZ VOIÁK MHPÖE AOEFKXO PWTL FGNGEX MOAGZ GPKZO HVK@GNNK PKAHPGZ INOPGZ JGEEHIGP NHZGTL VKEFLGZ DGNMKDO

Trk`kjo prgsgetkdo k nk dofgetg:

Nhf. AÖEHFK VWKPGZ

WEDÈFHAO DOV

HEVTHTWFHOE GDWFKTHYK FHWDKD NK LOPAHMK IÁVHFK NK LOPAHMK ‖ RWTWAKXO 0202

 

HETPODWFFHÖE

Nks kfthvhdkdgs qug sg rgknhzke k dhkrho tketo iáshfks foao hetgngftukngs sg nks foeofg foe gn eoa`rg dg trk`kjo fk`g rgskntkr qug èstg eo sg pugdg agdhr foe prgfhshöe `kjo pkrëagtros foauegs y justos, she ga`krmo, ge nk iáshfk gxhstg ue thpo dg trk`kjo dgeoahekdo trk`kjo agfëehfo   gn fukn foeshstg ge kpnhfkr uek iugrzk foe gn ihe dg aodhihfkr dg fugsthöe aovhahgeto ue o`jgto, gs dgfhr, nk gegrmák sg yegfgshtk pkrk  1qug . ∉ . dgspnkzkrgngngstkdo o`jgto ge y sgdgo`thgeg agdhketg nk iöraunk su rgsuntkdo ). sg dgiheg ge junhos (.  1 ) Rkrk rgknhzkr ue kdgfukdo profgdhahgeto dg gstg gxpgrhageto soe egfgskrhos nos shmuhgetgs aktgrhkngs: ue agtro dg lhno o nkek rgshstgetg, fuktro nhmks o rgsortgs, uek fhetk aètrhfk (agtro o rgmnk), thjgrk, fuktro fukdgreos dg nk ahsak iorak y tkakûo. Rkrk o`tgegr prgfhshöe ge nos rgsuntkdos sg rgknhzkrë fuktro rgpgthfhoegs dgn profgso, fk`g rgskntkr qug ge fkdk uek dg gnnks sg uthnhzkrë uek nhmk she dgiorakr, foe gn o`jgthvo dg rgmhstrkr vknorgs gxkftos, kdgaës sg kuagetkrë ue fukdgreo ge fkdk uek dg nks rgpgthfhoegs foe gn ihe dg o`sgrvkr foao nk dgiorakfhöe dg nk nhmk dgpgedg dgn pgso y postgrhoragetg nk iugrzk kpnhfkdk heinuyg pkrk dgspnkzkr nos fukdgreos lkstk nk dhstkefhk gsthpunkdk. Ror otrk pkrtg gn trk`kjo agfëehfo rgknhzkdo sg dgtgrahekrë pkrk gstg 1  ∐  , rgspgfthvkagetg. gxpgrhagetoy nk agdhketg forrgspoedhgetg k nk noemhtud dg nk nhmk dgiorakdk noemhtud nk dgiöraunk nk nhmk she dgiorakr

Iheknagetg gn o`jgthvo dg gstg gxpgrhageto gs dgaostrkr y por gedg dgtgrahekr sh nk iugrzk kpnhfkdk gs dhrgftkagetg proporfhoekn kn fka`ho ge nk noemhtud G, tgehgedo ge fugetk qug gn trk`kjo agfëehfo rgknhzkdo dgpgedg dg nk iugrzk kpnhfkdk qug sg gvhdgefhk ge gn o`jgto dgiorakdo (nhmk), kdgaës k pkrthr dg nos rgsuntkdos o`tgehdos nos gstudhketgs gvknukrëe nk uthnhdkd dg nos ahsaos ge nk vhdk fothdhkek.

 

RPOFGDHAHGETO ;.

Fortkr uek nhm nhmk k por ue gxtrgao foe nks thjgrks. (Hsk (Hsk`gnnk `gnnk Pk Pkaárgz aárgz))

0.

Kakrrkr ue fukdgreo foe nk nkek y sujgtkr gn gxtrgao nh`rg dg nk nkek k ueo dg nos gxtrg gxtrgaos aos d g nk nhmk. ((Jole Jole Frhonno)

 

6. Ag Agdhr dhr nk noe noemhtu mhtu d dg nk nhmk she dg dgiorakr. iorakr. ((Putl Putl M Möagz) öagz)

4.

Lk Lknkr nkr nk nhm nhmk k por gn otro otr o gxtr gxtrgao gao lkstk qug g gnn fukdgreo sg ngvketg k ue fgetáagtro dg d g nk supgrihfh g dg trk`kjo. ((Voiák Voiák Mhröe)

 

7.

Pg Pgpgthr pgthr gn gxpgrhageto foe 0, 6 y 4 fukdgreo s k ktkdks tkdks foe gn gstka`rg. Ge fkdk rgpgthfhöe sg uthnhzk uek nhmk she dgiorakr pkrk dgtgrahekr vknorgs gxkftos. (Dkeek Igreëedgz) (Jgeehigr Vëeflgz)

 

 

9.

Fk Fknfu nfunkr nkr nk noe noemhtu mhtu d dg nk nhm k qug sg gsthrö ge fkdk fkso, por agdho dg nk gxprgshöe ( 1  ∐ 2) y k foe theukfhöe keotkr rg rgsuntkdos suntkdos ge nk tk`nk dg nk lojk dg rgspugstks. rgspu gstks. (Jgeehigr Vëeflgz)

 

G\RGPHAGETO G\RGP HAGETO TPK@KJ TPK@KJO O AGFËEHFO ;.

Tk Tk`nk `nk foe nos rgsuntkdos o`tgehdos N K WEHDKD DG AGDHDK [WG VG WTHNHZÖ IWG FGETH FGETHAGTPO AGTPO (fa) EÚAGPO DG NOEMHTWD DG NK ( DG N HMK NOMHTWD DG NK () NHMK FWKDGPEOV VHE DGIOPAKP DGIOPAKDK    1  ∐     )  ; ;4 fa 46 fa 08 fa 0 ;4 fa 77 fa 4; fa 6 ;4 fa 97 fa 7; fa 4 ;4 fa =7 fa 9; fa

0.

Mrëihfk ge nk qug sg rgprgsgetk gn vknor dg G (g (ge e gn gjg dg foo rdgekdks) y g ge e gn otro gjg sg o`sgrv o`sgrvk kg gnn eú eúagro agro dg fukdgreos (g (gjg jg dg k`sfh k`sfhsks). sks).

 

6. ¿[uè pugdg foef nuh nuhrr dg nk mrëihfk so` so`rg rg gn trk`kjo agfëehfo q qug ug sg rgquh grg pk pkrk rk dgspnkzkr dgspnkz kr nos fukdg fukdgreos reos k fhgrtk dhstkefhk?

  Ge gn ketgrhor gxpgrhageto rgnkfhoekdo foe trk`kjo agfëehfo iug egfgskrho gjgrfgr uek iugrzk por pkrtg dg nos gstudhketgs pkrk gngvkr nos fukdgreos k uek dhstkefhk dg ;fa dg nk `ksg, foe no fukn sg o`sgrvö qug nk nhmk o`tuvo uek dgiorakfhöe dg`hdo kn pgso dg nos fukdgreos.



  Ge nk mrëihfk gn trk`kjo agfëehfo gigftukdo sg o`sgrvö qug getrg aës pg pgso so sg kpnhqug k nk nhmk akyor dgiorakfhöe thgeg nk ahsak.



¿Gs gn trk`kjo agfëehfo dhrgftkagetg proporfhoekn kn eúagro dg fukdgreos? Dg sgr ksá, ¿[uè shm shmehih ehihfkdo fkdo th geg g gsto? sto?

Gn trk`kjo agfëehfo qug kpnhfkaos k nk nhmk pkrk qug èstk ngvketg dgtgrahekdo pgso iug dhrgftkagetg proporfhoekn, yk qug sgmúe gn kuageto dgn pgso o eúagro dg fukdgreos lkstk 4, sg o`sgrvk qug nk noemhtud dg nk nhmk dgiorakdk iug kuagetkedo dg akegrk nhegkn. Ror ygnno, tgegaosgetrg akyor pgso gn trk`kjo agfëehfo (Iugrzk) qughmukn sg gjgrfg vk k sgr akyor gstoshdhvhdhdo nk dhstkefhk qug rgforrg gn fugrpo, yk sgk o supgrhor k ;fa o`tgedrë uek gnksthfhdkd akyor. Foe `ksg k no ketgrhor, sg pugdg dgfhr qug gn shmehihfkdo pkrtg dg nk iöraunk, pugs ge gnnk sg dhvhdg no qug pgrahtg qug shgaprg lkyk akyor gnksthfhdkd. ¿Ge què kfthv kfthvhdkdgs hdkdgs dg nk vhdk dhkrhk rgknhzk rgknhzk trk`kjo agfëehfo agfëehfo? ?

Ge nk vhdk dhkrhk lk`htuknagetg rgknhzkaos trk`kjo agfëehfo ge nks shmuhgetgs kfthvhdkdgs:            

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   

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Kn aoageto dg dgspnkzkr uek agsk. Fukedo sg augvg uek fkrrgthnnk. Kn gapujkr ue kutoaövhn o aotofhfngt aotofhfngtkk qug sg lk qugdkdo she mksonhek. mksonhek. Kn nngvkr gapujkdk uek `hfhfngtk she nk kffhöe dg pgdkngkr. Kn k`rhr uek vgetkek forrgdhzk lkstk gn náahtg dg su rhgn. Gapujkr ue fkrrhto ge gn supgragrfkd supgragrfkdo. o.

 

 

¿[uè trk`kjo sg foes foeshdgrk hdgrk aës pgskdo, g gnn iáshfo o gn het gngftukn?

Foeshdgrkaos qug eo sg pugdg dgihehr fuën trk`kjo gs aës pgskdo qug gn otro, yk qug iuedkagetke ue gquhnh`rho getrg nos dos, pugsto qug ka`os rgquhgrge ue gsiugrzo y nk uthnhzkfhöe dg uek gegrmák, she ga`krmo ge gn trk`kjo iáshfo, por gjgapno fukedo

 

ngvketkaos knmo auy pgskdo eugstro fugrpo dg`g gapngkr uek iugrzk y por gedg gn o`jgto suirg uek aodhihfkfhöe k trkvès dgn aovhahgeto3 gstg gsiugrzo qug mgegrkaos o nk gegrmák ahsak qug uthnhzkaos gs dhrgftkagetg proporfhoekn kn gsiugrzo agetkn qug heinuyg pkrk gjgrfgr gn ahsao, ahgetrks qug gn trk`kjo hetgngftukn dgakedk ue gsiugrzo agetkn hetgreo ge eugstro fugrpo, gsto shmehihfk, qug dg`gaos mkstkr fhgrtk fkethdkd dg gegrmák rgprgsgetkdks ge nk uthnhzkfhöe dg eugstro fgrg`ro por no fukn eugstro fugrpo dg`g gstkr prgpkrkdo y dhspugsto k kdquhrhr dhkrhkagetg fknoráks qug sgke gquhnh`rkdks k trkvès dg uek `knkefgkdk knhagetkfhöe y kfthvhdkd iáshfk.

PGING\HÖE IHEKN   ¿Vg g fuapnhö foe gn propöshto dg gstg g gxpgrhageto? xpgrhageto? ¿Ror què?   ¿V

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Vá, sg fuapnhö foe gn propöshto dg gstg gxpgrhageto porqug gn trk`kjo agfëehfo gs proporfhoekn k nk iugrzk kpnhfkdk, gs dgfhr, gn trk`kjo agfëehfo (nk iugrzk qug gjgrfgaos so`rg gn o`jgto) kuagetk sgmúe nk iugrzk kpnhfkdk qug rgknhzk nk nhmk tgehgedo ge fugetk qug èstk posgg ue foetrkpgso (fukdgreos), getrg akyor trk`kjo agfëehfo sg rgknhfg akyor gs nk iugrzk kpnhfkdk, no qug pgrahthrë qug gn o`jgto sg gngvg k uek dhstkefhk dg ue fgetáagtro dg nk `ksg, dgpgedhgedo dgn pgso qug nk iugrzk kpnhfkdk tgemk qug gngvkr sg mgegrkrë uek dgiorakfhöe akyor.   Gxpnhqug sh nos rgsuntkdos qug o`tuvo dg gstg gstg gxpg gxpgrhageto rhageto so e úthn gs g ge e su vhdk fothdhkek. Nos rgsuntkdos o`tgehdos k trkvès dg gstg gxpgrhageto soe úthngs ge eugstrk vhdk fothdhkek, yk qug k pkrthr dg gstos rgsuntkdos podgaos ioraunkr heihehdkd dg fugsthoekahgetos she rgknhzkr nks kffhoegs sono porqug sá… sknhgedo dg nk hmeorkefhk y agdhofrhdkd ge nk qug eos gefoetrkaos, gs dgfhr, uek zoek dg foeiort qug eo eos pgrahtg keknhzkr, o`sgrvkr y por nk ahsak rkzöe proiuedhzkr ge gn trk`kjo agfëehfo qug posgg uek mrke heinugefhk ge nks kfthvhdkdgs dg eugstro dák k dák3 dg hmukn akegrk dgspuès dg rgknhzkr gstg trk`kjo k foefhgefhk y foe rgspoesk`hnhdkd tgegaos foeofhahgeto so`rg nks iöraunks, prhefhphos y `ksgs qug dke rgspugstk kfgrfk dg nks akmeos igeöageos qug lky so`rg gn auedo y no qug eos rodgk fothdhkekagetg. 

 

FOEFNWVHÖE

K no nkrmo dg gstg trk`kjo sg o`sgrvö gn foefgpto fnkvg qug foenngvk k nk sonufhöe dgn gxpgrhageto propugsto, ge doedg gn trk`kjo agfëehfo rgquhgrg dg uek iugrzk kpnhfkdk y nk gegrmák suihfhgetg qug foopgrge pkrk mgegrkr ue dgspnkzkahgeto, k dhigrgefhk dgn trk`kjo qug ge èn sono sg egfgshtk uek iugrzk y gegrmák she qug hetgrvgemk ue aovhahgeto ge gn o`jgto kn qug sg ng ge kpnhfö iugrzk, foefnuhr qug gn yk trk`kjo agfëehfo gstë heagrso nks dhflk kffhoegs qugsgsgpugdg rgknhzke ge nkgetoefgs vhdk fothdhkek, qug kuequg eo sgkaos foesfhgetgs dg gigftukrno nk iáshfk dg knmuek u otrk iorak gstë prgsgetg y eos pgrahtg gxpnhfkr gn profgso dgn aètodo por gn fukn sg gstë gjgfutkedo nk kffhöe. .