Mike layin motsi

Modern makanikai da dama iri iri na motsi. Sun bambanta daga juna hanya, gaban ko babu hanzari da kuma da dama wasu sigogi. Duk da haka, akwai ma na kowa siffofin: musamman, kowane irin kinematic ayyuka za a iya bayyana ta wajen tsara axis. Saboda haka, mikakke motsi ne a mike layin yanayin, shi ne bayyananne daga sunanta. Bari mu yi la'akari da wannan yanayin a cikin mafi daki-daki.

Uniform rectilinear motsi - motsi, halin da motsi a daidai nisa a daidai jinkiri na lokaci. Kawai sa, domin kowane zaba tazarar lokaci (ko dai 1, 2, 3 da dakika ko minti 10), jiki nasara da nesa shi ne cikakken daidai abin da za a shawo kan ga na gaba lokaci lokaci. Tsananin magana, da manufa mikakke motsi - m m model, saboda a cimma irin wannan yunkuri a al'ada yanayi ne kusan ba zai yiwu ba: akwai ko da yaushe cikas. Daga cikin su - da iska juriya, fasali da kuma sauran motsi jiki.

Da dabara na wannan motsi ne mai sauqi qwarai da aka sani tun makarantar sakandare:

s = v / t,

inda s - da nesa tafiya ta jiki ga wani ɗan wani lokaci, v - gudun a lokacin wannan yunkuri, t - da ainihin lokacin da nesa. Azancin, gudun wannan motsi ne ma m, kuma canzawa.

Ravnoperemennoe mikakke motsi - wani batu opisannnogo sama tare da kawai bambancin cewa a nan muna da wani motsi da hanzari. A dabara domin shi kamar haka:

s = Vo + - at2 / 2

Karanta a matsayin: es (nesa) daidai ve sifili (na farko gudu), da ko debe wani (hanzari) Te (lokaci) Squared raba da biyu. A "+ -" kafa ba da hatsari. Gaskiyar cewa mikakke motsi na cikin hanzari iya zama gaba ɗaya kara da ravnozamedlennym. A farko idan yayi dace da dabara da na biyu - debe. Misalai: hanzari da kuma deceleration na jirgin kasa. A cikin hali na jirgin kasa da tattara da ake bukata gudu da kuma ba ya bukatar karin hanzari, shi ne motsi a gwada kwari kudi, wato, aikin mikakke motsi.

Ya kamata kuma la'akari da wannan irin motsi, kamar yadda m saukin ganewa. Jikin motsi don haka shi yana da gudun wanda za a iya canza ba tare da wani tsarin, cewa shi ne, a kowace lokaci. Saboda haka, yana ne fiye bambanta daga abin da ake kira matsakaici gudun. PD ne halin da m uniform cewa gudun tare da hanyar da za a iya canza (as mai mulkin, a hakikanin rai muna da ake rubutu da irin wannan yunkuri). Duk da haka, don auna gudun a kowace lokaci na lokaci ba zai yiwu, da kuma shi ba a bukata. Don wannan karshen, irin wannan abu a matsayin matsakaita gudun da aka gabatar. Its dabara ne guda a matsayin dabara domin a uniform kudi na PD:

v = s / t,

tare da kawai bambancin da ake cewa da search for wani musamman matsayi a wani musamman batu a lokacin da ba zai yiwu ba, amma za mu iya sanin abin da nesa aka kammala a cikin kayyade lokaci.

A bambanci ga talakawan instantaneous kudi a m PD - gudun cewa yana da jiki, a kuma wani lokaci.

Yanzu cewa ƙayyadaddu na motsi da daidaita gudun, fiye ko žasa bude, yana da muhimmanci a bayyana da kuma bambance rectilinear da curvilinear motsi. Ganin cewa a cikin mikakke motsi a makanikai kusan ko da yaushe yana nufin mai saukin ganewa, shi ne ya kamata a lura: masana kimiyya yi imani da cewa irin wannan mataki - musamman idan akwai curvilinear. Tabbatar da dalilin curvilinear motsi ne kamar haka: motsi yanayin wanda yayi dace ba mike amma mai lankwasa line. Kila saboda gaskiyar cewa da manufa mike yanayin ba ya wanzu (kawai a matsayin abstraction), amma cewa ya yi mana hanya madaidaiciya - kawai wani m darajar da se, shi iya da gaske a yi la'akari da mikakke motsi na lankwasa view.