F Suspended 2nd
sus2
0 - 2 - 7Root + major 2nd + perfect 5th
About F Suspended 2nd
Fsus2 removes the third from F major and puts a G in its place — F, G, C. Without the third, the chord loses the barre requirement that makes F hard: several voicings need only two or three fingers, which is why the suspension is often easier than the triad it comes from.
The notes
F, G, C. No third, so no mode. Unlike a sus4 the chord does not lean; it sits open and can be held indefinitely.
The same three notes read from C give Csus4, which leans hard. One set of pitches, two opposite behaviours, decided by the bass — the clearest demonstration that suspension is a matter of context.
On the fretboard
A common voicing frets the third fret of the D string and the first of the B, leaving the high E open. No barre, three strings, and the chord is complete.
In fingerstyle it often appears with the open C and G ringing, producing a wash rather than a defined chord — the same effect that makes sus2 shapes popular in altered tunings.
The chord is also a way into F for players who have not yet mastered the barre: it sounds complete, uses no barre, and teaches the hand where the notes of F live before demanding that they all be held at once.
Where it shows up
In the key of F or C as a colour on the tonic or subdominant. It also appears wherever a player wants F in a song without committing to the barre.
Because the chord is modeless, it works in both F major and F minor passages — a flexibility songwriters use when a section needs to sit between the two.