I-Physics ekuphileni kwansuku zonke - izibonelo ezingu-15

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Kulesi sihloko, sizobheka izinhlobo ezithakazelisayo ze-physics ekuphileni kwansuku zonke. Sizothola ukuthi izimiso ezibonakalayo zibusa kanjani ukunyakaza, ukusebenza kwempahla yasendlini, ubuchwepheshe esibusebenzisayo, izenzakalo zemvelo esizibonayo ngisho nemisebenzi yokuzijabulisa esiyijabulelayo. Lungela ukubona umhlaba okuzungezile ngamehlo amasha futhi ujabulele ubuhle nobunkimbinkimbi be-physics ekuphileni kwansuku zonke.

I-Physics isayensi eyisisekelo efunda izici nokuziphatha kwento namandla endaweni yonke. Nakuba kuvame ukuhlotshaniswa nezibalo eziyinkimbinkimbi kanye namathiyori angabonakali, i-physics ikhona cishe kuzo zonke izici zokuphila kwethu kwansuku zonke. Kusukela kokutholwe yisayensi okunenguquko kakhulu kuye emisebenzini evamile, i-physics idlala indima ebalulekile ekuphileni kwethu kwansuku zonke.

Izibonelo eziyi-15 zeFiziksi empilweni yansuku zonke

1. I-Physics ekuhambeni

1.1 Ukuhamba nokugijima

Ngaso sonke isikhathi lapho sithatha isinyathelo, sisebenzisa imithetho yefiziksi. Lapho sihamba noma sigijima, imisipha yethu ikhiqiza amandla asiqhubezela phambili, kuyilapho ukungqubuzana phakathi kwezinyawo zethu nomhlabathi kunikeza ukudonsa. Amandla angaba khona agcinwe emisipha yethu aguqulwa abe amandla e-kinetic njengoba sihamba, futhi ukungqubuzana nomoya kudala ukumelana okufanele sikunqobe.

Kuyathakazelisa ukuthi indlela esihamba ngayo nesigijima ngayo ibuye ithuthukiswe yi-physics. Amalunga ethu nemisipha yakhelwe ukunciphisa ukusetshenziswa kwamandla kanye nokukhulisa ukusebenza kahle kokunyakaza. Ngaphezu kwalokho, ukuvumelanisa izingalo nemilenze yethu ngenkathi sihamba kulawulwa izimiso zomzimba ezisivumela ukuba sigcine ukulinganisela nokuzinza.

1.2 Ukushayela imoto

Uma sishayela imoto, sihlala sisebenzisana nemithetho yefiziksi. Ijubane kanye nokusheshisa kwemoto kunqunywa amandla enjini kanye nokumelana nomoya. Uma sibhuleka, amandla e-kinetic emoto aguqulwa abe ukushisa ngenxa yokungqubuzana phakathi kwama-brake pad nama-disc noma ama-drum.

Inertia, okuwukuthambekela kokuthi into imelana nezinguquko esimweni sayo sokunyakaza, nayo idlala indima ebalulekile lapho ushayela. Uma sithatha ijika, sizwa amandla aphakathi nendawo esiphushela ngaphandle, kuyilapho amandla amaphakathi akhiqizwa ukungqubuzana kwamathayi asigcina sisendleleni. Ukuqonda lezi zimiso zomzimba kubalulekile ekushayeleni ngokuphepha nangempumelelo.

1.3 Ezemidlalo nokusubatha

I-Physics ikhona cishe kuyo yonke imisebenzi yezemidlalo neyokusubatha. Kusukela ekuphonseni ibhola ukuya ekugxumeni komsubathi, izimiso zomzimba zinquma ukusebenza nomphumela.

Ebholeni, isibonelo, i-trajectory ye-free kick inqunywa amandla kanye ne-engeli lapho ibhola lishaywa khona, kanye nokuphikiswa komoya. Ku-basketball, ukudubula okuhle kakhulu kudinga inhlanganisela enembile ye-engeli, isivinini nobude bokukhishwa ukuze kufakwe ibhola ku-hoop.

Abasubathi baphinde basebenzise izimiso zomzimba ukuze bathuthukise ukusebenza kwabo. Abagijimi balungisa ukuma kwabo kanye nokunyathela ukuze banciphise ukumelana komoya futhi bakhulise ukusebenza kahle kwamandla. Ama-Jumpers asebenzisa amasu afana nokunyakaza kanye nomfutho ukuze asebenzise amandla okunwebeka emisipha yawo futhi afinyelele ukugxuma okuphezulu.

2. I-Physics ekhaya

2.1 Imishini yasendlini

Amakhaya ethu agcwele izinto zikagesi ezisebenza kusetshenziswa imigomo yefiziksi. Kusukela esiqandisini kuya emshinini wokuwasha, lezi zixhobo zisebenzisa imithetho ye-thermodynamics, ugesi kanye nozibuthe ukwenza ukuphila kwethu kukhululeke futhi kube lula.

Isiqandisi, isibonelo, sisebenzisa umjikelezo wesiqandisi osekelwe ekucindezelweni nasekunwebeni kwegesi eyisiqandisi ukuze kukhishwe ukushisa ngaphakathi kwaso futhi kugcine ukudla kukusha. Umshini wokuwasha usebenzisa amandla e-centrifugal akhiqizwa ukujikeleza kwesigubhu ukususa amanzi ezingutsheni, kuyilapho ugesi ushisa amanzi futhi unika amandla injini.

Ezinye izinto ezisetshenziswayo, njengama-microwave nama-toaster, zisebenzisa amaza kagesi nezimbangi zikagesi ukushisa nokupheka ukudla ngokushesha nangempumelelo. Ukuqonda izimiso eziphathekayo zalezi zisetshenziswa kusisiza ukuba sizisebenzise kahle futhi sixazulule izinkinga lapho ziphakama.

2.2 Ukushisisa nokupholisa

Ukugcina izinga lokushisa elinethezekile ezindlini zethu kuhilela ukusetshenziswa okuthakazelisayo kwe-physics. Amasistimu okushisa nokupholisa asekelwe ezimisweni zokudlulisa ukushisa kanye ne-thermodynamics.

Ekushisiseni, ukushisa kukhiqizwa ngamafutha avuthayo noma kusetshenziswa izihlungi zikagesi futhi kusakazwa endlini yonke ngokuhambisa okungokwemvelo noma okuphoqelelwe. Ukushisa okushisayo kwezindonga nophahla kusiza ukugcina ukushisa ngaphakathi futhi kunciphisa ukulahleka kwamandla.

Ngakolunye uhlangothi, izinhlelo zokupholisa umoya zisebenzisa umjikelezo wesiqandisi ofana nowesiqandisi ukuze zikhiphe ukushisa ngaphakathi endlini futhi zikukhulule ngaphandle. Ukuqonda lezi zimiso kusivumela ukuthi silungiselele ukusetshenziswa kwamandla futhi sidale izindawo ezisebenza kahle nezinethezekile.

2.3 Amapayipi kanye noketshezi

Ngaso sonke isikhathi uma sivula impompi noma sishayela indlu yangasese, sisuke sisebenzisana nemithetho ye-fluid physics. Umfutho wamanzi, izinga lokugeleza kanye ne-viscosity yimiqondo eyinhloko emapayipini asekhaya.

Umfutho wamanzi ezindlini zethu ukhiqizwa amaphampu futhi uthintwa ukuphakama nebanga ukusuka emthonjeni wokuhlinzeka. Izinga lokugeleza, okuyinani lamanzi ageleza epayipini ngesikhathi esinikeziwe, linqunywa ukucindezela nobukhulu bepayipi.

Isimiso sika-Archimedes, esisho ukuthi into ecwiliswe oketshezini ithola ukukhuphuka okukhuphukayo okulingana nesisindo soketshezi olususiwe, sibalulekile ekuqondeni ukuthi ama-drain kanye nezicupho kumasinki wethu nobhavu bethu basebenza kanjani. Lolu lwazi lusisiza ukuba siqonde futhi sixazulule izinkinga ezivamile zamapayipi.

3. I-Physics kwezobuchwepheshe

3.1 Imishini kagesi

Imishini yethu ye-elekthronikhi, efana nama-smartphone, amakhompiyutha kanye nomabonakude, izimangaliso zangempela ze-application physics. Lezi zixhobo zisebenzisa izimiso ze-electronics, optics, nemagnetism ukuze zicubungule ulwazi, zibonise izithombe, futhi zikhiqize kabusha umsindo.

Enhliziyweni yale mishini kukhona ama-semiconductors, izinto ezifana ne-silicon enezici zikagesi ezihlukile. Amasekhethi ahlanganisiwe, akhiwe izigidi zama-transistors, anika amandla ukucutshungulwa kwedatha okunesivinini esikhulu kanye nokwenziwa kwama-algorithms ayinkimbinkimbi.

Izikrini ezikumadivayisi ethu, kungaba yi-LCD, i-LED noma i-OLED, zisebenzisa ukukhanya nombala ukuze zenze izithombe ezibukhali, ezigqamile. Izipikha namakrofoni ziguqula izimpawu zikagesi zibe amaza omsindo futhi ngokuphambene nalokho, okuvumela ukuxhumana nokuzijabulisa.

3.2 Ezokuxhumana namanethiwekhi

I-Physics idlala indima ebalulekile kwezokuxhumana kanye namanethiwekhi edatha yesimanje. Kusukela kumasignali omsakazo kuya kuma-optical fibers, izimiso eziphathekayo zisekela ikhono lethu lokuxhuma nokwabelana ngolwazi emhlabeni wonke.

Amagagasi kagesi, ahlanganisa amaza omsakazo, ama-microwave, nokukhanya okubonakalayo, ayindlela eyinhloko yokudlulisa ulwazi emoyeni. Ama-antenna nama-transmitters asebenzisa lezi zimiso ukuthumela nokwamukela amasignali, okuvumela ukuxhumana okungenantambo emhlabeni jikelele.

Kumanethiwekhi e-fiber optic, ukukhanya kusetshenziselwa ukudlulisa idatha ngesivinini esikhulu ngemicu emincane yengilazi noma yepulasitiki. I-physics ye-Optics, efaka phakathi i-refraction kanye ne- reflection, yenza lolu hlobo lokuxhumana olushesha kakhulu, lwekhono eliphezulu lwenzeke.

3.3 Amandla avuselelekayo

Njengoba sifuna izindlela ezihlala isikhathi eside nezihlanzekile zokukhiqiza amandla, i-physics idlala indima ebalulekile ekuthuthukisweni kobuchwepheshe bamandla avuselelekayo. Kusukela kumaphaneli elanga kuya kuma-turbine omoya, lezi zinhlelo zisebenzisa izimiso zomzimba ukuguqula amandla avela elangeni , emoyeni, nakweminye imithombo abe ugesi ongasetshenziswa.

Amaphaneli elanga asebenzisa umphumela we-photovoltaic, lapho ama-photons avela elangeni ajabulisa ama-electron ezintweni ze-semiconductor, akhiqiza amandla kagesi. Ukusebenza kahle kwala maphaneli kunqunywa yizici ezifana nesakhiwo sekristalu sezinto ezibonakalayo namandla ayo okumunca ukukhanya.

Ngakolunye uhlangothi, izinjini zomoya, zisebenzisa amandla e-kinetic omoya ukuze zinyakaze izinjini zomoya futhi zikhiqize ugesi. Idizayini ye-aerodynamic blade kanye nokuma kwe-turbine efanele kubalulekile ukuze kukhuliswe ukusebenza kahle nokukhiqizwa kwamandla.

4. I-Physics emvelweni

4.1 Izigigaba zesimo sezulu

Kusukela kumoya opholile kuya eziphepho ezinamandla, izimo zezulu zibuswa imigomo yefiziksi. Umfutho womkhathi, ukudluliswa kokushisa, namandla okuguquguquka kwamanzi kubalulekile ekuqondeni ukuziphatha kwesimo sezulu kanye nezindlela zesimo sezulu.

Umehluko ekucindezelweni komkhathi, okubangelwa ukushisa okungalingani kobuso bomhlaba, kudala imimoya. Njengoba umoya ofudumele ukhuphuka nomoya obandayo uyacwila, kwakhiwa imisinga nokujikeleza okusabalalisa ukushisa nomswakama emhlabeni wonke.

Izinqubo ezibonakalayo nazo ziyimbangela yokwakheka kwamafu, imvula kanye nokuduma kwezulu. Ukufingqa komhwamuko wamanzi, okuqhutshwa ukushintsha kwezinga lokushisa nokucindezela, kubangela amathonsi emvula namakhekheba eqhwa. Ngakolunye uhlangothi, umbani uwukukhipha kukagesi okukhulu okubangelwa ukunqwabelana kwamanani emafini.

4.2 Isayensi yezinkanyezi kanye ne-cosmology

I-Physics iyithuluzi eliyinhloko lokuqonda indawo yonke kanye nezingxenye zayo. Kusukela emizileni yamaplanethi kuya ekwakhekeni kwemithala, izimiso zemvelo zilawula ukuziphatha kwendikimba yasezulwini kanye nendawo yonke.

Umthetho kaNewton wokuzulazula komhlaba wonke uchaza ukunyakaza kwamaplanethi azungeze iLanga kanye nokwakheka kwezinhlelo zezinkanyezi. Ithiyori ka-Einstein yokuhlobana okujwayelekile, ngokwengxenye yayo, inikeza incazelo ephelele kakhulu yamandla adonsela phansi kanye nobudlelwano bawo nesikhathi sendawo.

I-Physics nayo ibalulekile ekuqondeni ukuvela kwendawo yonke, kusukela ku-Big Bang kuya ekwandeni okusheshisa kwamanje. Amamodeli we-cosmological, asekelwe ekuhloleni nasezingqondweni zemvelo, asivumela ukuthi sakhe kabusha umlando wendawo yonke futhi senze izibikezelo ngekusasa layo.

4.3 I-Biophysics kanye nemithi

I-Physics inezicelo eziningi emkhakheni webhayoloji nemithi. Kusukela ocwaningweni lwe-biomechanics kuya ekuthuthukisweni kwezindlela zokuxilonga zokuxilonga, izimiso zomzimba zibalulekile ekuqondeni nasekwelapheni umzimba womuntu.

I-Biomechanics isebenzisa imithetho yefiziksi ukuhlaziya ukunyakaza namandla ezinhlelweni zebhayoloji. Lokhu kusivumela ukuthi sifunde ukuhamba kwabantu, ukusebenza ngokuhlanganyela, kanye nemiphumela yokulimala nezifo ohlelweni lwe-musculoskeletal.

Izindlela zezokwelapha zokuthwebula izithombe, njenge-X-ray, i-MRI, ne-positron emission tomography (PET), zithembele ezimisweni ezingokomzimba ukuze zenze izithombe ezinemininingwane yangaphakathi lomzimba. Lawa mathuluzi enza odokotela bakwazi ukuhlonza izifo, bahlele ukwelashwa futhi benze ukungenelela okunembile.

5. I-Physics kwezokuzijabulisa

5.1 Umculo nama-acoustics

Umculo, okungenye yezindlela zokuzijabulisa ezindala kakhulu nezitholakala emhlabeni wonke, uxhumene kakhulu ne-physics. Izici ezibonakalayo zomsindo, njengemvamisa, ubukhulu, nobude besikhathi, zinquma izici zamanothi omculo nokuzwa kokuzwa.

Izinsimbi zomculo, kusukela ezintanjeni ezidlidlizayo zesiginci kuya kukholomu yomoya ye-clarinet, zisebenzisa izimiso zomzimba ukukhiqiza imisindo. Ama-acoustics amahholo ekhonsathi nezitudiyo zokuqopha nawo asekelwe ku-physics, ngenhloso yokuthuthukisa ikhwalithi yomsindo nokusatshalaliswa.

Ukuqonda i-physics yomsindo kunike amandla ukuthuthukiswa kobuchwepheshe obufana nesistimu yemisindo ezungezile, ama-headphone akhansela umsindo nama-synthesizer edijithali, ukwandisa amathuba okudala kanye nolwazi lomculo.

5.2 Isinema nemiphumela ekhethekile

I-Cinema nemiphumela ekhethekile iwubufakazi obumangalisayo bokusetshenziswa kwe-physics kwezokuzijabulisa. Ukusuka ekuthwebuleni izithombe ezinyakazayo kuye ekudaleni imihlaba ebonakalayo, i-physics ibalulekile ukuze kuzuzwe umlingo we-movie.

I-Cinematography isekelwe ezimisweni zokubona ezifana ne-refraction, reflection kanye nokwakheka kwesithombe ngamalensi. Amakhamera asebenzisa lezi zimiso ukuze athwebule ukukhanya futhi adale izithombe ezibukhali, ezigxilile. Ukukhanyisa, kokubili kusethiwe nangemuva kokukhiqizwa, nakho kulawulwa yimithetho yefiziksi ukuze kwakheke umkhathi odingekayo kanye ne-ambience.

Imiphumela ekhethekile, kokubili esebenzayo nedijithali, incike kakhulu ku-physics. Kusukela ekuqhumeni nokushayisana kuye ekulingiseni uketshezi kanye nezinhlayiyana, izimiso zefiziksi zibalulekile ekudaleni imiphumela yokubuka engokoqobo nephoqelelayo. Ukugqwayiza kwekhompuyutha futhi kusebenzisa amamodeli aphathekayo ukulingisa ukunyakaza, ukuguquguquka, nokusebenzelana kwezinto ezibonakalayo.

5.3 Amapaki okuzijabulisa

Amapaki okuzijabulisa ayisibonelo esijabulisayo sokuthi i-physics ingadala kanjani okugcwele i-adrenaline, ukuzizwisa okugcwele ubumnandi. Kusukela kuma-roller coaster kuya kuzifanisi, lawa mageyimu asebenzisa izimiso zobukhenika namandla ukuze akhiqize imizwa ehlukile.

Ama-roller coaster asebenzisa ukuguqulwa phakathi kwamandla angaba khona kanye namandla e-kinetic ukuze adale injabulo yamaconsi nama-spins. Njengoba isitimela sikhuphuka igquma lokuqala, sakha amandla angaba namandla ngenxa yobude baso. Njengoba yehla, la mandla aguqulwa abe amandla e-kinetic, aqhube isitimela ngokusebenzisa izihibe namajika.

Izilingisi ezisuselwe kukunyakaza nezinto ezihehayo zisebenzisa izimiso ze-kinematics namandla ukuze zenze inkohliso yejubane, ukusheshisa namandla adonsela phansi. Ngokusebenzisa izinkundla ezihambayo, izikrini nemiphumela ebonakalayo, lezi zikhangayo zikhohlisa izinzwa zethu futhi zisifake kokuhlangenwe nakho okujabulisayo.

Imibuzo ebuzwa njalo

1. Kungani kubalulekile ukuqonda i-physics ekuphileni kwansuku zonke? Ukuqonda i-physics ekuphileni kwansuku zonke kusivumela ukuthi sazise kangcono umhlaba osizungezile futhi senze izinqumo ezinolwazi. Kusisiza ukuthi siqonde ukuthi izinto zisebenza kanjani, kusukela ezintweni zasendlini kuya ezintweni zemvelo, futhi kusivumela ukuba sixazulule izinkinga ngempumelelo kakhudlwana.
2. Ingabe kuthatha uchwepheshe wefiziksi ukwazisa ukuba khona kwayo ekuphileni kwansuku zonke? Cha, akudingekile ukuba ube uchwepheshe wefiziksi ukuze ujabulele ubukhona bayo ekuphileni kwansuku zonke. Ukuqonda okuyisisekelo kwezimiso zomzimba eziyisisekelo kungase kube ngokwanele ukubona nokwazisa ukuthi i-physics ithonya kanjani ukuphila kwethu kwansuku zonke.
3. Ngingafunda kanjani okwengeziwe nge-physics ekuphileni kwansuku zonke? Kunezindlela eziningi zokufunda okwengeziwe nge-physics empilweni yansuku zonke. Ungafunda izincwadi zesayensi ezidumile, ubuke amadokhumenti ezemfundo namavidiyo, uhambele izinkulumo nezinkundla zokucobelelana ngolwazi, noma wenze izivivinyo ezilula ekhaya ukuze ubone izimiso zomzimba zisebenza.
4. Ingabe i-physics ekuphileni kwansuku zonke inezinhlelo zokusebenza ezingokoqobo? Yebo, ukuqonda i-physics ekuphileni kwansuku zonke kunemisebenzi eminingi engokoqobo. Ingasisiza senze izinqumo ezinolwazi mayelana nokusetshenziswa kwamandla ngendlela efanele, siqonde futhi sixazulule izinkinga zobuchwepheshe, futhi sithuthukise izixazululo ezintsha. Ubuchwepheshe obusha nezisombululo.
5. I-physics inathonya kanjani ukwakheka kwemikhiqizo nezakhiwo? I-Physics idlala indima ebalulekile ekwakhiweni kwemikhiqizo nezakhiwo. Izimiso zemechanics, amandla ezinto ezibonakalayo kanye ne-thermodynamics ziyacatshangelwa ukuze kwakhiwe izinto ezisebenzayo, ezihlala njalo neziphephile. Kusukela ezakhiweni kuya ezimotweni, i-physics iqondisa ukwakheka kanye nenqubo yokukhiqiza.
6. I-physics inegalelo kanjani ekusimameni nasemvelweni? I-Physics inomthelela ekusimameni nasemvelweni ngezindlela eziningi. Ukuqonda izimiso zomzimba kusivumela ukuthi sithuthukise ubuchwepheshe obusebenza kahle futhi obuhlanzekile, obufana amandla avuselelekayo kanye nezinto ezisimeme. Kusisiza futhi ukuthi siqonde futhi sibikezele imithelela yemvelo, efana nokushintsha kwesimo sezulu, futhi sithole izixazululo zokuyinciphisa.

Isiphetho ngeFiziksi empilweni yansuku zonke

I-Physics Ekuphileni Kwansuku zonke iyisibonelo esithakazelisayo sokuthi isayensi ingena kanjani kuzo zonke izici zokuphila kwethu. Kusukela emisebenzini evamile kuya kubuchwepheshe obuphambili kakhulu, izimiso zomzimba zikhona, ezibumba umhlaba wethu kanye nolwazi lwethu.

Ukuqonda i-physics esizungezile akwanelisi nje ilukuluku lethu esizalwa nalo, kodwa futhi kusinikeza amandla okwenza izinqumo ezinolwazi, ukuxazulula izinkinga, nokwazisa ubuhle nobunkimbinkimbi bendawo yonke. Ngokuqaphela i-physics ekuphileni kwethu kwansuku zonke, siba abahlanganyeli abakhuthele ekuhloleni okuqhubekayo kwemvelo kanye nemithetho yayo eyisisekelo.

Njengoba isayensi ithuthuka, i-physics izoqhubeka nokuba ithuluzi elibalulekile lokwembula izimfihlakalo zomhlaba nokuthuthukisa ubuchwepheshe obusha obuthuthukisa ikhwalithi yethu yokuphila. Ngokwazisa i-physics empilweni yansuku zonke, sizilungiselela ukuba yingxenye yalolu hambo olujabulisayo lokuthola ulwazi kanye nenqubekela phambili.