Mass Point

Ib qho particle yog qhov taw tes nrog qhov loj tab sis tsis muaj ntim lossis zoo li. Feem ntau, yog tias qhov loj ntawm cov khoom me me los yog muaj kev cuam tshuam me me rau cov khoom tshawb fawb, cov khoom tuaj yeem suav tias yog ib qho particle.