"Mô͘-chhat" pán-pún chi-kan bô-kāng--ê tē-hng

'''Mô͘-chhat''' (摩擦; ''friction''), ia̍h '''mô͘-chhat-le̍k''' (--力), sī chi̍t ê [[kó͘-tián le̍k-ha̍k]] ê bêng-sû; biâu-su̍t tī [[kò͘-thé]] piáu-bīn, [[liû-thé]] chân, ia̍h-sī châi-liāu [[goân-sò͘]] hō͘-siong ku̍t-tín-tāng ê sî, ē chó͘-chí siong-tùi ūn-tōng ê chi̍t chióng [[la̍t]]. Mô͘-chhat ē-tàng pun chò chē-chē khoán, pau-hâm: ta mô͘-chhat (''dry friction''), '''liû-thé mô͘-chhat''' (''fluid friction''), '''jūn-ku̍t mô͘-chhat''' (''lubricated friction''), '''piáu-bīn mô͘-chhat''' (''surface friction'') kap '''lāi-pō͘ mô͘-chhat''' (''internal friction'').