'Cause force equals MASS
times acceleration.
The Big Bang Theory Season 5, Episode 15
And, also, you don't account
for the missing MASS
The Big Bang Theory Season 11, Episode 10
Mass!
That's a cool nickname.
The Big Bang Theory Season 5, Episode 15
Trying to figure out why electrons
have no MASS...
The Big Bang Theory Season 3, Episode 14
That is an integrated ion trap
and time-of-flight MASS spectrometer.
The Big Bang Theory Season 6, Episode 5