Xa umzimba uphoswa ngokuthe nkqo ukuya phezulu isantya siyehla ngokuhamba kwexesha kwaye yiyo loo nto isantya esibangelwa ngumxhuzulane asinayo. Xa umzimba uwela ngokukhululekileyo phantsi komxhuzulane isantya siyanda ngokuhamba kwexesha kwaye kungoko ukukhawulezisa ngenxa yomxhuzulane kulungile.
Ngokufanayo, yayiyintoni ingcamango kaGalileo edibanisa umzimba wonke? UGalileo wayiphikisa loo nto kwivacuum yonke imizimba iwela ngesantya esifanayo xa ithelekiswa nomhlaba, ingaxhomekekanga kubunzima bayo. …Enyanisweni zonke azilunganga lonke ixesha, ngowona mzimba ukhaphukhaphu uwa ngokukhawuleza xa imizimba emibini iwela emhlabeni.
Ingaba kufuneka ndithathe nini u-g ndi-negative kunye ne-positive? g uya ibe positive ukuba. into imile okanye ihambela ezantsi. g izakuba negative ukuba into ihambela phezulu.
Kufuneka ndiyithathe nini i-g positive? Ukuba isantya sakho sihamba “g” sithetha unyusa isantya kunokuba kufanelekile. Ukuba isantya sakho sichasana no-“g” ngoko uhlehla kwaye siyakuthatha ukuba sinegetive. Ngokubanzi ndithatha u-"g" ndihlala ndijonge ezantsi. Ke ukuba isantya sisezantsi, ndithatha u-"g" positive.
Okwesibini Ngaba i-g ilungile okanye ingalunganga kwintshukumo yeprojectile? UKHETHO oluqhelekileyo lwezixokelelwano zolungelelwaniso lwezinto eziphoswayo (okt intshukumo yeprojectile) ino-x ethe tye kunye no-y njengothe nkqo (ulungile phezulu). Ngoko ke i isantya esibangelwa ngumxhuzulane asilunganga.
Ithini ithiyori kaGalileo ngokunyanzeliswa nokushukuma?
Phambi kukaGalileo kwakucingwa ukuba zonke iintshukumo ezithe tyaba zifuna isizathu esithe ngqo, kodwa uGalileo wafumanisa kuvavanyo lwakhe. ukuba iqumrhu elikwintshukumo liya kuhlala likwintshukumo ngaphandle kokuba ngamandla (efana nokukhuhlana) kubangele ukuba iphumle. Lo mthetho ukwangowokuqala kwimithetho emithathu yesindululo ka-Isaac Newton.
emva koko Ithini ithiyori ka-Isaac Newton? Isaac Newton kunye ne Umthetho woMxhuzulane
Imithetho emithathu yesindululo kaNewton ithi (1) Yonke into ekwimo yesindululo esifanayo iya kuhlala ikuloo meko yesindululo ngaphandle kokuba amandla angaphandle asebenza kuyo; (2) Isinyanzelo silingana namaxesha obunzima: F=MA kunye (3) Kwisenzo ngasinye kukho ukusabela okulinganayo nokuchasayo.
Ngaba izinto ezinzima zinokuwa ngokukhawuleza? Hayi, izinto ezinzima ziwa ngokukhawuleza (okanye ukucotha) njengezinto ezikhaphukhaphu, ukuba asikuhoyi ukukhuhlana komoya. Ukungqubana komoya kunokwenza umahluko, kodwa ngendlela entsonkothileyo. Ukunyuka komxhuzulane kuzo zonke izinto kuyafana.
Ngaba isantya sibangelwa ngumxhuzulane ongalunganga?
Ingcaciso: Ukukhawuleza ngenxa yomxhuzulane, -9.81 m/s2, ngumthamo we-vector. Isalathiso sokukhawulezisa ngenxa yomxhuzulane sihlala sisezantsi, ngoko isoloko ine-negative.
Ngaba into enzima iya kubaleka ngokukhawuleza? Ukukhawuleziswa kweZinto eziwayo
Izinto ezinzima zinamandla amakhulu omxhuzulane KUNYE nezinto ezinzima zinokukhawulezisa okuncinci. Kuyavela ukuba ezi ziphumo zimbini zichanekile ukwenza izinto eziwayo zinokukhawulezisa okufanayo nokuba kungakanani ubunzima.
Kutheni i-acceleration negative?
Ngokomgaqo wethu, xa into icotha isantya, i-acceleration ikwicala elichaseneyo njengesantya. Ngaloo ndlela, le nto inesantya esibi.
Ngaba umxhuzulane ulungile okanye awunambi? Isoloko inegetive. a ngumgangatho womxhuzulane oqhelekileyo 'g' ngokuthe ngqo -9.80665 m/s² (ewe, uphawu oluthabathayo lubalulekile) njengoko umxhuzulane uyivektha kwaye ufuna icala elibi.
Ngaba isantya sinokuba mbi?
Into ehamba kwicala elibi ine isantya esibi. Ukuba into iyacotha emva koko i-vector yokukhawulezisa ijolise kwelinye icala njengokuhamba kwayo (kule meko, ukukhawulezisa okuhle).
Yintoni i-g kwintshukumo yeprojectile?
Kwintshukumo yeprojekthi, sizama ukuthathela ingqalelo intshukumo kuzo zombini izikhombisi ezithe tye nezithe nkqo. Singeza neefomyula ezisisiseko zesindululo esilula seprojectile ngokucinga ukuba isantya kwicala lika x nguziro, kwaye isantya kwicala lika y ngu-g apho. g kukukhawuleza okubangelwa ngumxhuzulane.
Umxhuzulane uyichaphazela njani iprojectile? Iprojectile yinto ekukuphela kwayo amandla omxhuzulane. Umxhuzulane wenza ukuba kuphembelele intshukumo ethe nkqo yeprojekthi, ngaloo ndlela ibangela ukukhawuleza okuthe nkqo. Intshukumo ethe tyaba yeprojectile sisiphumo sokutyekela kwayo nayiphi na into eshukumayo ukuba ihlale ishukuma kwisantya esingaguqukiyo.
Kutheni isantya esibangelwa ngumxhuzulane sisoloko sisibi? Ukukhawuleza ngenxa yobunzima, -9.81 m / s2, yi-vector quantity. Isalathiso sokukhawulezisa ngenxa yomxhuzulane sihlala sisezantsi, ngoko ihlala i-negative.
UGalileo wamchaphazela njani uIsaac Newton?
Galileo wamisela imithetho yomxhuzulane kwaye yaphonononga imithetho yentshukumo emhlabeni. … Exhobe ngezi ngcamango ziqinileyo zokuguquguquka kwezinto, uNewton wangqina ukuba amandla awayesebenza kwizijikelezi-langa nakwiinyanga yayingamandla afanayo awabangela ukuba ilitye liwe phantsi: umxhuzulane.
Yintoni eyayikholelwa ngaphambi komxhuzulane? U-Plutarch no-Aristotle baqaphela iNyanga njengonobangela wamaza, ngaphandle kokuqonda umxhuzulane. … UPliny wayekholelwa ukuba iNyanga yayinomtsalane owawubangela amaza. Ezinye izazinzulu, ezinjengoPtolemy, zazifuna nje inkcazelo ngaphandle kokukhangela unobangela.
Yayingubani umfazi kaIsaac Newton?
Akazange atshate. UNewton wafa ngowe-1727, eneminyaka engama-84 ubudala. Emva kokufa kwakhe, umzimba wakhe wafuduselwa kwindawo ebalaseleyo eWestminster Abbey.
Yeyiphi imithetho emi-3 yesindululo? Imithetho emithathu yentshukumo kaNewton yile Umthetho we-Inertia, uMthetho woMisa kunye nokuKhawuleza, kunye noMthetho wesiThathu weSindululo. Umzimba ophumle uzingisa kwimo yawo yokuphumla, kwaye umzimba oshukumayo uhlala ushukuma rhoqo kumgca othe tye ngaphandle kokuba yenziwe ngamandla angaphandle.
Usweleke nini uIsaac Newton?
UIsaac Newton, ngokupheleleyo uMhlekazi Isaac Newton, (owazalwa ngoDisemba 25, 1642 [ngoJanuwari 4, 1643, Isimbo Esitsha], Woolsthorpe, Lincolnshire, England—wafa. NgoMatshi 20 [Matshi 31], 1727, eLondon), ingcali yefiziksi nezibalo eliNgesi, owafikelela incopho kwiNguquko Yenzululwazi yenkulungwane ye-17.
Yintoni ewa ngokukhawuleza isitena okanye ipeni?
Yeyiphi eya kuwa ngokukhawuleza kwindlovu okanye impuku?
Hayi, omabini amaphepha asawela ngesantya esifanayo. Zonke izinto zikhawuleza ukuya eMhlabeni nge-9.8 m/s/s ngenxa yamandla womxhuzulane. La mandla ajonge ezantsi emhlabeni.
Kutheni ubunzima bungachatshazelwa ngumxhuzulane? "Zeziphi izinto ezichaphazela isantya ngenxa yomxhuzulane?" IMisa ayichaphazeli ukukhawuleziswa okufunekayo kumxhuzulane nangayiphi na indlela enokumetwa. Imiyinge emibini izimele enye kwenye. Izinto ezilula zibaleka kancinane kunezinto ezinzima kuphela xa amandla angengomxhuzulane nawo esebenza.