![I'm detecting a little friction
between you two,
I'm detecting a little friction
between you two,](https://content2.mcqstudy.com/ss/tbbt-7-15-00:16:05.752.jpeg)
I'm detecting a little FRICTION
between you two,
The Big Bang Theory Season 7, Episode 15
![I know that money can
be a source of friction
I know that money can
be a source of friction](https://content2.mcqstudy.com/ss/tbbt-12-3-00:17:26.828.jpeg)
I know that money can
be a source of FRICTION
The Big Bang Theory Season 12, Episode 3
![...to static friction between the tire
and the road to zero.
...to static friction between the tire
and the road to zero.](https://content2.mcqstudy.com/ss/tbbt-2-5-00:13:09.120.jpeg)
...to static FRICTION between the tire
and the road to zero.
The Big Bang Theory Season 2, Episode 5
![But not so deep as to introduce
a new source of friction. But not so deep as to introduce
a new source of friction.](https://content2.mcqstudy.com/ss/tbbt-2-5-00:13:12.540.jpeg)
But not so deep as to introduce
a new source of FRICTION."
The Big Bang Theory Season 2, Episode 5