Ntawm coefficient ntawm kev sib txhuam?

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Ntawm coefficient ntawm kev sib txhuam?
Ntawm coefficient ntawm kev sib txhuam?
Anonim

Coefficient ntawm kev sib txhuam, qhov sib piv ntawm kev sib txhuam quab yuam tiv thaiv kev txav ntawm ob qhov chaw hauv kev sib cuag mus rau qhov qub quab yuam nias ob qhov chaw ua ke. Nws feem ntau yog cim los ntawm Greek tsab ntawv mu (μ). Kev ua lej, μ=F / N, qhov twg F yog lub zog sib txhuam thiab N yog lub zog ib txwm.

Tus coefficient ntawm kev sib txhuam qhia koj li cas?

Coefficient ntawm kev sib txhuam yog ntsuas ntawm qhov kev sib txhuam uas muaj nyob nruab nrab ntawm ob qhov chaw. Thaum koj pom qhov coefficient ntawm kev sib txhuam, koj tab tom xam qhov tsis kam mus rau kev txav ntawm qhov sib cuam tshuam ntawm ob qhov chaw ntawm cov ntaub ntawv zoo sib xws lossis sib txawv.

Cov piv txwv ntawm kev sib txhuam yog dab tsi?

Cov coefficient ntawm kev sib txhuam yog nyob ntawm cov khoom siv. Raws li kev piv txwv,dej khov ntawm cov hlau muaj qhov qiscoefficient ntawm kev sib txhuam - ob cov ntaub ntawv swb dhau ib qho yooj yim - thaum cov roj hmab ntawm txoj kev muaj coefficient ntawm kev sib txhuam - cov ntaub ntawv tsis swb dhau los. ib leeg yooj yim.

Fr hauv kev sib txhuam yog dab tsi?

Coulomb txoj cai ntawm kev sib txhuam hais tias kev sib txhuam quab yuam yog proportional rau lub zog ib txwm. Qhov proportionality factor μ nyob ntawm cov khoom sib txuas ntawm lub cev thiab hu ua coefficient ntawm kev sib txhuam. FR=μ · FN. Cov txiaj ntsig zoo rau qhov coefficient ntawm kev sib txhuam μ

Nws puas zoo dua kom muaj qhov siab lossis qis coefficient ntawm kev sib txhuam?

In luv, qhov chaw ntxhib yuav ua tau zoo duaqhov tseem ceeb whereas smoother nto muaj qis dua vim kev sib txhuam lawv tsim thaum nias ua ke. … Feem ntau cov ntaub ntawv qhuav ua ke muaj kev sib txhuam coefficient ntawm 0.3 thiab 0.6.

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