SamuwarKimiyya

Newton ta farko Law

A gagarumin yawan binciken a fagen kimiyyar lissafi da aka sanya daruruwan shekaru da suka wuce, abin mamaki ba tare da rasa dacewar wannan rana. Kuma idan matsayi na kwayoyin da kuma jimla kimiyyar lissafi ci gaba da za a supplemented, kamar yadda aikata kimiyya sassan - to ci gaba, da makanikai ne kamar wuya ya samu wani sabon abu.

Kowa ya sani cewa da makanikai da yadda da kimiyyar lissafi sashe ne zuwa kashi masu kuzarin kawo cikas da kuma kinematics. A wannan yanayin, da kinematics bayyana da kuma nazarin da motsi da kanta, da kuma masu kuzarin kawo cikas - ta haddasawa.

A manyan ka'idodi na da bayyana dalilai na fitowan da kuma ci gaba da motsi, to wannan rana an dauke su da dokokin Newtonian kuzarin kawo cikas, wanda taimako ga ci gaban wannan reshe na kimiyyar lissafi da wuya a overestimate. Shi ya gabatar da irin wannan manufar 'salla, "" inertia "," lokaci ", kuma da yawa wasu. Duk da haka, ya fi shahara Isaak Nyuton saboda dokokin da cewa ƙyale mu mu bayyana motsi da kuma ka'idojin hulda da jikinsu.

Daya daga cikin ka'idojin da aka kira dokar inertia, ko da farko dokar Newton. Halitta ya furta da wanzuwar irin wannan tunani Frames, wanda jiki zumunta gudu ya rage m, kuma ba ya canza, idan wannan yana da wani sakamako a kan sauran filayen ko jiki. Daga wannan biyu karshe za a iya kõma: na farko, domin canza yanayin jiki don haka da cewa shi ya canja da wuri a duk, amma duk da haka, da cewa tana da wuri, a karfi dole ne a yi amfani. By kanta gilashin daga tebur bai zo kashe: wajibi ne ko dai ya dauki ko tura ko girgiza tebur. Duk da haka, ba tare da ƙarin daukan hotuna da gilashin tsaye a kan tebur za ta ci gaba da rectilinear motsi a akai gudun. Me ya sa? Bayan duk yana da daraja?

A nan mun zo kusa da na biyu m, wanda ba ka damar Newton ta farko doka. A wannan jiki na iya zama a lokaci guda kamar yadda motsi da kuma zama a sauran. The kawai tambaya ne a abin da firam na tunani da la'akari da wannan, ko da cewa yanayin. A wannan misali da wani gilashi: gilashin dangi zuwa ga tebur ne tsit dangi da Kiyayewa - kamar yadda kyau. A general, game da duk wani firam na reference dangantaka da duniya, da gilashi zai zauna gyarawa a cikin wannan misali. Duk da haka fadada kwana na view tare da girmamawa ga tsuntsãye tashi a kan gilashin, shi zai ci gaba da motsa a mike layin a gudun yunkuri na Duniya. A tsuntsu, tsananin magana, a cikin wani jirgin halin da ake ciki ba ya kasance a cikin ƙasa, reference tsarin. More wasu halin da ake ciki, amma ba mafi fili: motsi da gilashin game da Jupiter. Glass Jupiter zumunta reference frame motsi, saboda Yana motsa tare da gudun duniya. Kuma a ta tsarin tsit firam.

Kimiyya fitarwa cewa ba ka damar Newton ta farko dokar, shi ne kamar haka: da firam na reference tare da girmamawa ga abin da jiki a cikin rashi na waje tsoma ne motsi gaba ɗaya, da ake kira inertial reference Frames. A halin da ake ciki da aka bayyana a sama, da inertial reference tsarin domin kofin zai zama wani tebur. Duk da haka, ya ke a kasa, kasa - a cikin gidan, gidan - a duniya. Kullum magana, duk da tunani frame hade da Earth, aka dauke su inertial. Akwai, duk da haka, a kananan disclaimer: saboda gaskiyar cewa Duniya rotates a kan ta axis, cikakken Newton ta farko dokar ba za a iya aiwatar. Fadowa jiki, tsananin magana, ba ya fada tsaye (da yanayin da motsi ba ya dace to a mike layin), da kuma da kadan sabawa zuwa gabas. Duk da haka, irin wannan "sabawa" a zamani kimiyyar lissafi yarda saka manta da ya rage wuya da lissafin.

Da ya fahimci duk na sama, yana da sauki mu fahimci da sanarwa cewa duk abin da yake a cikin motsi da kuma duk abin da yake da dangi. Allaha jihar ba ya nufin babu motsi, da sauran hanyar da kewaye - uniform mikakke motsi a akai gudun.

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