Puas yog cov khoom txav mus los?
Puas yog cov khoom txav mus los?

Video: Puas yog cov khoom txav mus los?

Video: Puas yog cov khoom txav mus los?
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Anonim

Cov hais tias tag nrho cov cov khoom uas ua teeb meem tas li nyob rau hauv tsab ntawv tsa suab . Yog li ntawd, tag nrho cov khoom hauv teeb meem muaj kinetic zog. Lub kinetic txoj kev xav ntawm teeb meem pab piav qhia lub xeev sib txawv ntawm teeb meem - Khoom, kua, thiab roj. Cov khoom tsis txhob txav ntawm tib lub nrawm.

Ib yam li ntawd, ib tug yuav nug, vim li cas cov khoom ntawm cov teeb meem txuas mus ntxiv?

Cov khoom nyob rau hauv txhua lub xeev ntawm teeb meem nyob tas li tsab ntawv tsa suab thiab qhov no yog ceev heev ntawm chav tsev kub. Qhov kub thiab txias nce lub kinetic zog thiab ceev ntawm cov khoom ; nws tsis ua rau lub zog nruab nrab ntawm lawv. Tus kheej cov khoom nyob rau hauv cov kua thiab gases tsis muaj txoj hauj lwm ruaj thiab txav chaotically.

Kuj Paub, ua li cas cov khoom txav? Particles nyob rau hauv ib tug:

  1. roj vibrate thiab txav mus los ntawm kev kub ceev.
  2. kua vibrate, txav mus, thiab swb dhau ib leeg.
  3. khoom vibrate (jiggle) tab sis feem ntau tsis txav ntawm qhov chaw mus rau qhov chaw.

Qhov thib ob, puas yog cov ntsiab lus ntawm cov teeb meem txav qhov nruab nrab ntawm lawv teb?

Cov cov khoom txav tsis tau ib ncig. Ib qho tshwj xeeb ntawm cov khoom khib nyiab thiab cov kua dej yog qhov cov khoom muaj kev sib cuag nrog lawv cov neeg zej zog, uas yog, nrog rau lwm tus cov khoom . Yog li lawv yog incompressible thiab no commonality nruab nrab khoom thiab kua distinguishes lawv los ntawm gases.

Dab tsi yog qhov nruab nrab ntawm cov teeb meem?

Cov cov khoom tuaj yeem txav mus los thiab sib xyaw nrog lwm tus cov khoom . Yog li ntawd, cov kua yuav hloov cov duab kom phim lawv lub thawv. Tseem muaj chaw me me heev nruab nrab hais , yog li cov kua kuj nyuaj rau compress. Hauv gases cov khoom sib nrug ntau dua li cov khoom khib nyiab lossis kua.

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