Sanadin motsi makamashi: ra'ayi

A sanadin motsi makamashi - shi ne, ta hanyar definition, da darajar daidai rabin taro na motsi jiki, ta tara da square daga cikin gudu na jiki. Wannan shi ne - daya daga cikin mafi muhimmanci sharuddan na zamani makanikai. A takaice sa, shi ne samar da makamashi na motsi, ko bambanci tsakanin jimlar makamashi da kuma sauran makamashi. Amma duk da haka jigon shi ba cikakken la'akari da kimiyyar zamani.

A sanadin motsi makamashi (daga gr Kinema -. Movement) na jiki a Jihar immobility ne sifili. Sau da yawa, wannan darajar ba kawai da lãbãri a cikin taro kuma gudun. Saboda haka, a cewar daya definition, sanadin motsi makamashi - shi ne aikin yi a wani gudun. An auna a joules.

A sanadin motsi makamashi na tsarin - ne adadin, wanda aka hankali alaka da kudi na kowane daga cikin maki.

An dauke a cikin gaba motsi, da kuma a cikin juyawa. A farko idan an riga an bayyana su daki-daki a bisa, da shi ne - rabin taro na wani abu ta tara da ta gudu Squared. A jikin juyawa sanadin motsi makamashi da aka wakilta a matsayin Naira Miliyan Xari da sanadin motsi kuzari na kowane daga cikin na farko kundin na jiki. Ko kamar yadda darajar lokacin da inertia yawaita da square na kusurwa gudu raba da biyu.

Zaton akwai wani m cewa shi ne a cikin motsi a kusa da axis tsit wucewa therethrough. Wannan abu za a iya raba karamin girma abubuwa, kowanne daga abin na da elemental taro. Kusa da wani tsayayyen axis na motsi sa jiki a karkashin shawara. A cikinsu kowane daga cikin na farko kundin ya bayyana a da'irar m ga radius. Same kusurwa gudun na juyawa. Kuma haka sanadin motsi makamashi na jiki - shi ne Naira Miliyan Xari da sanadin motsi kuzari na dukan na farko, motsi a kusa da axis na girma. A Saukake version na dabara - rabin da samfurin na wani square na kusurwa gudu da kuma lokacin da ya inertia.

A wasu lokuta, da sanadin motsi makamashi - ne adadin da translational da rotational makamashi. Alal misali, zamiya saukar ba tare da zamiya tare da karkata Silinda line. Motsi gaba, shi ne ya yi aikin gaba motsi, amma a lokaci guda ya kuma motsa kusa ta axis.

Daya daga cikin aka gyara daga cikin sanadin motsi makamashi na juyawa - wannan shi ne lokacin da inertia, wanda sama da kuma tattauna. Ya dogara da total jiki taro, kazalika da ta rarraba dangane da axis na juyawa. Mene ne wannan? Yana da wani gwargwado na inertia game da axis na motsi kamar yadda kuma a cikin m motsi ne da wani ma'auni na inertia na taro. Wannan ne mai matukar muhimmanci darajar. A lokacin da inertia, mafi wuya ga kawo jiki a cikin rotational jihar. Kusurwa gudu ya bayyana gudun da wanda motsa m kewaye ta axis. Naúrar ne Rad / s. A kusurwa gudu ne rabo na juyawa kwana da tsawon lokaci ga wanda wannan kusurwa wuce da juyawa abu.

Theorem na sanadin motsi makamashi za a iya tsara kamar wannan: aikin karfi resultant amfani da wani musamman jiki, daidai ne da wani canji a cikin sanadin motsi makamashi na jiki.