Inotungamirwa, Sainzi
Yakarurama mutsetse chitsungo
Modern hurongwa zvinoverengeka siyana inofamba. Vakasiyana mumwe nzira, kuvapo kana kusavapo kumhanyisa uye nezvimwe parameters. Zvisinei, panewo zvakajairika zvinhu: zvikurukuru, neimwe mhando kinematic zviito kungaratidzwa achishandisa rinoronga akabatana. Nokudaro, Linear inofamba iri yakarurama mutsetse trajectory, zviri pachena kubva zita rayo. Ngatikurukurei nyaya iyi zvizere.
Dzakafanana rectilinear inofamba - kufamba, inozivikanwa nokutamira panguva yakaenzana marefu zvienzane zvikamu nguva. Zvichitaurwa zviri nyore, nokuti mumwe nomumwe asarudza nguva penguva (kana 1, 2, 3 masekonzi kana maminitsi 10), muviri chinokunda daro riri zvachose kuenzana chii chichakurukurwa kukurira kwenguva inotevera nguva kumwedzi. Kutaura zvazviri, mashoko akanaka Linear inofamba - asi Abstract wokuenzanisira, nekuti kuti vabudirire sangano yakadaro chaiye ezvinhu zvisingaiti: pane nguva dzose nezvipingamupinyi. Pakati pavo - mhepo nemishonga, zvinhu nevamwe kutamira muviri.
The yemaitiro inofamba iri nyore chaizvo uye kubvira chesekondari:
S = vs. / t,
apo s - daro vaifamba muviri mumwe kwenguva, ndima - kumhanya panguva sangano iri, t - chaiyo kure. Zvinonzwisisika kumhanya inofamba ichi kuri kugara uye asingachinji.
Ravnoperemennoe Linear inofamba - imwe nyaya opisannnogo kumusoro chete musiyano chete kuti pano tine sangano rine kumhanyisa. The yemaitiro nokuti sezvinotevera:
S = Võ + - at2 / 2
Verenga se: on (kure) vakaenzana vashanu razero (kwokutanga velocity), pamwe kana kubvisa chinhu (kumhanyisa) Te (nguva) akaenzana yakakamurwa vaviri. A "+ -" kuisa kwete netsaona. Chokwadi chokuti Linear inofamba ari kumhanyisa angava noruvara wakakurumidza uye ravnozamedlennym. nyaya yokutanga rinoenderana nzira ndinoiitawo wechipiri - kubvisa. Mienzaniso: kumhanyisa uye deceleration yacho chitima. Kana chitima kuunganidza inodiwa nokukurumidza uye haadi zvakawanda kumhanyisa, zviri kutamira pamwero hwakanyatsorwisa akatsiga, kuti, anoita Linear inofamba.
Zvinofanira vaongorore inofamba mhando iyi, sezvo gogonera zvakananga. Muviri kutamira ine nokukurumidza iyo inogona kuchinjwa pasina hurongwa, kureva, chero nguva. Saka, kazhinji kusiyaniswa anonzi unosvikirwa nokukurumidza. PD kunoratidzwa gogonera yunifomu kuti vakurumidze munzira inogona kushanduka (somunhu mutemo, muupenyu chaihwo tiri neizvi mhando kufamba). Zvisinei, kuti ayere nokukurumidza chero nguva nguva hazvibviri, uye haina kuzvireva. Kuti izvi zvidaro, kwakadaro chinhu sezvo avhareji nokukurumidza wakatangwa. fomura wayo kufanana nzira nokuda pamwero yakafanana pamusoro PD:
v = s / t,
pamwe musiyano chete ari kuti kutsvaka imwe nzvimbo iri imwe nguva hazvibviri, asi tinogona kuziva chii daro rakapedzwa mukati chaiyo nguva.
Kusiyana avhareji nguva imwe mwero panguva gogonera PD - nokukurumidza kuti ane muviri panguva imwe nguva.
Zvino kuti chaizvo rwokufamba zvakaenzana akurumidze, zvakawanda kana zvishoma akazarurwa, zvakakosha kujekesa uye kusiyanisa rectilinear uye curvilinear inofamba. Akapiwa yokuti Linear inofamba mu hurongwa dzinenge nguva dzose zvinoreva yakananga, zvinokosha kuziva: masayendisiti anodavira kuti kutama - nyaya chinokosha curvilinear. Kutsunga curvilinear inofamba iri sezvinotevera: rakaramba trajectory iyo anoenderana haana kururamiswa asi curved mutsetse. Zvichida nokuti kuti yakanaka yakarurama trajectory hakuwaniki (chete somunhu abstraction), asi kuti akaita isu nzira - chete anofungidzirwa ukoshi pa se, zvinogona kutaurwa zvechokwadi kunzi ari Linear inofamba pakati curved maonero.
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