Wiktionary
n. (context physics English) The perpendicular distance from a pivot to a point undergoing torque
Usage examples of "moment arm".
But its effects would decrease with increasing moment arm, that is, with larger structures.
As the moment arm decreased the grapple sped up, gaining enough speed to flip up above the edge of the overhang.
I know exactly because it was mass enough that I had to figure it into the loading, mass and moment arm.
Even ignoring the moment arm-- that much weight at the end of that much length should have toppled him, and how could such a length of tail, flexible tail, be strong enough to stay almost straight?
Its joints became enlarged, offering a larger moment arm to the muscles, increasing their strength.
Even ignoring the moment arm -- that much weight at the end of that much length should have toppled him, and how could such a length of tail, flexible tail, be strong enough to stay almost straight?