Upright bass.
The string family instruments and is the subset of the guitar family or a plucked lute.
A "trio" ... consists of string instruments plus a piano. The piano is a member of the percussion family.
The guitar is in the string instruments.
Strings ... along with the bass, or contrabass.
Answer 1:It is part of the Percussion Family, as do most instruments. Anything you bang on or hit, or strum at all, is part of the Percussion Family.Answer 2:"Most instruments" do not belong to the percussion family. However, many (such as the piano) do belong to more than one family. The acoustic guitar is regarded as belonging to both the percussion and the string family. It earns its position in the string family as its strings are plucked. Stringed instruments are played by plucking, bowing or striking the string.
The largest family in the orchestra is the string family.
The string instruments, arranged from smallest to largest, are typically the violin, viola, cello, and double bass. The violin is the smallest and highest-pitched, followed by the viola, which is slightly larger with a deeper sound. The cello is larger still, producing a rich, warm tone, while the double bass is the largest, offering the lowest pitch in the string family.
Violin, Viola....
string
The string family is the largest group in the orchestral family
Apart from the String instruments there are also the brass, woodwind and percussion families.
All of the strings are part of the violin family. Basically the double bass, cello, and viola are the violin's relatives. The piano and the harp are also considered string instruments.