The hinge was oiled and didn't squeak because the friction had been reduced.
Betsy sensed that there was friction between them.
When the English colonies of the Carolinas and Georgia were founded, there was constant friction with Florida.
I slid the book towards her, but it did not reach its destination, due to its friction against the carpet.
For example, does the heat generated by friction vary as the friction and the time during which it acts, or is it proportional to the friction and the distance through which the rubbing bodies are displaced - that is, to the work done against friction - or does it involve any other conditions?