Video: Yuav ua li cas koj xam rotational acceleration?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Angular acceleration (α) tuaj yeem txhais tau tias lub kaum sab xis ceev (ω) faib los ntawm kev ceev lub sijhawm (t). Xwb, pi (π) multiplied by drive speed (n) muab faib los ntawm kev ceev lub sij hawm (t) muab faib ua 30. Qhov no kev sib npaug yields tus qauv angular acceleration SI unit of radians per second squared (Rad/sec^2).
Tsuas yog li ntawd, angular acceleration formula yog dab tsi?
Angular acceleration α txhais tau tias yog tus nqi hloov ntawm lub kaum sab xis ceev. Hauv kev sib npaug daim ntawv, angular acceleration yog qhia raws li nram no: α = ΔωΔt α = Δ ω Δ t, qhov twg Δω yog qhov hloov hauv lub kaum sab xis nrawm thiab Δt yog qhov hloov pauv ntawm lub sijhawm. Cov units ntawm angular acceleration yog (rad/s)/s, or rad/s2.
Ib yam li ntawd, angular acceleration nyob ntawm dab tsi? Nyob rau hauv rotational motion, torque yuav tsum tau tsim ib tug angular acceleration ntawm ib yam khoom. Tus nqi ntawm torque yuav tsum tau tsim ib angular acceleration nyob ntawm kev faib ntawm qhov loj ntawm cov khoom. Lub sijhawm ntawm inertia yog tus nqi uas piav qhia txog kev faib khoom.
Dhau li saum toj no, yuav ua li cas acceleration raug xam?
Rearrange qhov sib npaug F = ma los daws rau kev ceev . Koj tuaj yeem hloov cov qauv no ib puag ncig los daws rau kev ceev los ntawm kev faib ob sab los ntawm qhov loj, yog li: a = F / m. Yuav nrhiav tau kev ceev , tsuas yog faib cov quab yuam los ntawm qhov loj ntawm cov khoom tau nrawm.
Dab tsi yog angular acceleration sib npaug?
Nws yog qhov kev hloov hauv lub lub kaum sab xis nrawm, muab faib los ntawm kev hloov hauv lub sijhawm. Qhov nruab nrab angular acceleration yog qhov kev hloov hauv lub kaum sab xis nrawm, muab faib los ntawm kev hloov hauv lub sijhawm. Cov angular acceleration yog vector uas taw tes rau hauv ib qho kev taw qhia raws qhov kev sib hloov axis.
Pom zoo:
Yuav ua li cas koj pom angular tshaj tawm thiab acceleration?
Nyob rau hauv daim ntawv sib npaug, angular acceleration yog qhia raws li nram no: α=ΔωΔt α = Δ ω Δ t, qhov twg Δω yog qhov hloov pauv ntawm qhov nrawm nrawm thiab Δ t yog qhov hloov pauv ntawm lub sijhawm. Cov units ntawm angular acceleration yog (rad/s)/s, los yog rad/s2
Yuav ua li cas koj hloov ceev mus rau acceleration graph?
Yog hais tias daim duab yog tshaj tawm vs lub sij hawm, ces nrhiav qhov chaw yuav muab rau koj tsiv, vim hais tias ceev = tawm / sij hawm. Yog tias daim duab acceleration vs lub sij hawm, ces nrhiav qhov chaw muab rau koj hloov nyob rau hauv ceev, vim acceleration = hloov nyob rau hauv tshaj tawm / lub sij hawm
Yuav ua li cas koj xam rotational kinetic zog?
Rotational kinetic zog tuaj yeem qhia tau tias: Erotational = 12I ω 2 E rotational = 1 2 I ω 2 qhov twg ω yog lub angular tshaj tawm thiab kuv yog lub sijhawm ntawm inertia nyob ib ncig ntawm lub axis ntawm kev sib hloov. Lub tshuab ua hauj lwm siv thaum lub sij hawm tig yog lub sij hawm torque lub kaum sab xis: W =τθ W = τ θ
Yuav ua li cas koj xam lub sij hawm nws yuav siv sij hawm mus ncig teb chaws?
Kwv yees seb koj yuav mus sai npaum li cas ntawm koj qhov kev mus ncig. Tom qab ntawd, faib koj qhov kev ncua deb ntawm koj qhov nrawm. Qhov no yuav muab rau koj anestimation ntawm koj lub sijhawm mus ncig. Piv txwv li, yog tias koj mus ncig yog 240 mais thiab koj yuav tsav 40 mais ib teev, koj lub sijhawm yuav yog 240/40 = 6hours
Yuav ua li cas koj xam lub sij hawm nws yuav siv ib yam khoom los poob?
Ntsuas qhov deb ntawm qhov khoom yuav poob hauv ko taw nrog tus pas ntsuas lossis ntsuas daim kab xev. Faib qhov kev ncua deb los ntawm 16. Piv txwv li, yog tias cov khoom yuav poob 128 ko taw, faib 128 los ntawm 16 kom tau 8. Xam cov square root ntawm cov kauj ruam 2 los nrhiav lub sij hawm nws yuav siv cov khoom poob hauv vib nas this