
...and force was not necessary
to maintain MOTION.
The Big Bang Theory Season 3, Episode 10

How about the Perpetual Motion Squad?
The Big Bang Theory Season 1, Episode 13

We have a MOTION and a second
on the floor to grant the appeal.
Breaking Bad Season 4, Episode 3

...caused by relative MOTION between
the source of the wave and the observer.
The Big Bang Theory Season 1, Episode 6

I was calculating
the random MOTION
The Big Bang Theory Season 5, Episode 23