Nyob rau hauv ib qhov seem, qhov "deceleration" txhais tau tias yog acceleration uas yog opposite rau qhov tshaj tawm.
Yuav ua li cas kom nrawm nrawm yog qhov qeeb?
Txoj kev qeeb ib txwm hais txog kev nrawm hauv kev coj ua rov qab mus rau qhov kev tshaj tawm. Deceleration ib txwm txo qhov ceev. … Yog li ntawd, nws muaj negative acceleration nyob rau hauv peb txoj kev tswj hwm, vim nws acceleration yog mus rau sab laug.
Puas deceleration negative or positive?
Lub sij hawm deceleration feem ntau yog siv los qhia tias kev txo qis. Deceleration yog tiag tiag qhov tsis zoo ntawm acceleration Txawm li cas los xij, koj tuaj yeem muaj qhov tsis zoo ntawm kev nrawm thiab tshaj tawm. Koj tuaj yeem hais tias lub tsheb uas nrawm ntawm 5ms−2 yog decelerating ntawm −5ms−2.
Yuav ua li cas koj pom acceleration thiab deceleration?
Kev qeeb qeeb yog qhov sib txawv ntawm kev nrawm. Lub deceleration yuav xam los ntawm faib qhov kawg tshaj tawm rho tawm qhov pib tshaj tawm, los ntawm tus nqi ntawm lub sijhawm raug coj mus rau qhov kev poob hauv qhov nrawmCov mis rau acceleration tuaj yeem siv ntawm no, nrog rau qhov tsis zoo., txhawm rau txheeb xyuas tus nqi deceleration.
Qhov kev nrawm hu ua retardation lossis deceleration?
negative acceleration hu ua retardation or deceleration.