Answer:
the resistance that one surface or object encounters when moving over another.
"a lubrication system that reduces friction"
Similar:
abrasion
abrading
rubbing
chafing
grating
rasping
scraping
excoriation
grinding
gnawing
eating away
wearing away/down
resistance
drag
adhesion
traction
grip
purchase
attrition
fretting
detrition
Explanation:
the action of one surface or object rubbing against another.
"the friction of braking"
conflict or animosity caused by a clash of wills, temperaments, or opinions.
"a considerable amount of friction between father and son"
